Sherlock Nouns and the Case of Morphological Declension

Ah, nouns. Classically defined as “people, places, and things,”1 these little (and sometimes not so little) words can carry a lot of meaning, encompassing everything from cats to triskaidekaphobia2. Pair them with verbs (those things you do), and you’ve really got something.

In English, there’s a comforting solidity to nouns. Not like verbs, that throw on endings and even, le gasp, change vowels like they’re trying on hats. Nouns, now—nouns are dependable.

Or so you thought. When you change the form of a verb to reflect who’s doing what and when, that’s called conjugation. Here’s the bombshell: nouns can do that, too. It’s called declension.

In some languages, the form of the noun changes to indicate its role in a sentence. For example, a noun may have one form when it’s the subject of a sentence but have a different form when it’s the object. (As a refresher: in ‘Rebekah wants haggis’, ‘Rebekah’ is the subject, and ‘haggis’ is the object.) These noun forms are called cases. Adjectives, pronouns, participles, numerals, and demonstratives (this or that) can also decline. Declension occurs in languages like, oh, English. Or Spanish. (Just a little bit.)

In English and Spanish, the presence of cases is most evident in their pronouns:

English Spanish
subject he él
direct object him lo
indirect object him le
possessive his/hisn su/suyo
reflexive himself se

(Hisn is a dialectal form like mine for the third person.)

For regular nouns, English only distinguishes between singular and plural and between possessive and non-possessive. Spanish distinguishes between singular and plural and declines for grammatical gender (e.g. the adjective blanco will become feminine blanca when describing la tortuga blanca ‘the white turtle’). The diversity of their pronoun forms3 is a remnant of their parent languages, Old English and Latin respectively. These older languages had full, healthy case systems that affected all their nouns. They in turn inherited their noun cases from a common ancestor, namely Indo-European (IE).

The Indo-European Noun Cases

Based on the structure of its surviving daughters, linguists have determined that Proto Indo-European had eight noun cases:

case role example in an English sentence
nominative subject amīcus ‘boy’/puella ‘girl’ (Lat) The boy plays.
accusative direct object amīcum/puellam He loves the girl.
dative indirect object amīcō/puellae He gives the girl a flower.
ablative movement away from amīcō/puellā She runs from the boy.
genitive possessive amīcī/puellae The boy’s tears
vocative addressee amīce/puella Boy, where art thou?
locative physical or temporal location domī ‘at home (Lat) She stays at home.
instrumental by means of which something is done þȳ stāne ‘with a stone’ (OE) He raps on her window with a stone.

 

This is a rather simplified representation of the situation. The actual distinctions and usages of the cases vary from language to language, particularly because very few IE languages utilize all eight cases (like Sanskrit does). It’s the nature of languages to change, and cases have a propensity to merge, a process called syncretism4. It’s like when you’re working on a group project, and half the group doesn’t show up, leaving the kids who want a good grade to pull double duty and fulfill the delinquents’ obligations as well as their own. For example, in Old English, the dative case fills some of the same uses as the ablative case in Latin because Old English doesn’t have an ablative.

The case of noun cases shook out a little differently across the Indo-European language family. As previously mentioned, Sanskrit has eight cases. Latin has seven. Old English has five. Icelandic and German have four (although German doesn’t show it on nouns so much as on articles and adjectives). And languages like English and Spanish don’t so much have cases anymore as much as they have pictures of their old case-infused relatives hanging on their walls.

A college classmate of mine once stated rather authoritatively that the reason the modern Romance languages have generally done away with cases is because it’s too hard to decline all those Latin nouns in your head. To be fair, Latin has five different groups of nouns (called declensions), all with their own endings for Latin’s seven cases. And it is true that many modern IE languages employ far fewer cases than their ancestors, if any at all. But the idea that cases are too hard for our brains to manage in everyday speech? Hogwash. Russian, another IE language that is very much alive and kicking, has six cases. Our friend Finnish (of Uralic descent) has fifteen. (You should also take from the example of Finnish that noun cases are not unique to the Indo-European languages.)

We’ve discussed before (repeatedly) that one language isn’t really harder than any other; they’re just different. The human brain is well equipped to utilize any of them it can get its neurons on. If our homo sapien super computers couldn’t handle a given linguistic structure, it wouldn’t develop. Easy as pie.

To Word Order or Not to Word Order?

Now, a robust system of noun cases (and verb conjugation) in a language can affect more than just the morphology. Because so much important information is embedded in the words themselves, word order is less important and more flexible than in languages like Modern English.

In Old English, ‘Se hlāford lufaþ þā frōwe’ and ‘Þā frōwe lufaþ se hlāford’ both mean ‘The lord loves the lady.’ In Modern English, ‘The lord loves the lady’ and ‘The lady loves the lord’ have very different meanings (although, for the sake of romance, one hopes that both statements are equally true). To say ‘The lady loves the lord’ in Old English, you would decline the nouns differently and say ‘Sēo frōwe lufaþ þone hlāford.’ (Maybe this wasn’t the best example as there aren’t noticeably distinct ending on the verbs, but you can see the difference in case in the demonstratives.) This is not to say that Old English doesn’t have rules about word order, but it’s less crucial than in today’s English.

Languages that rely on declension and conjugation (both types of inflection) to convey meaning are called synthetic languages. Languages that rely more on word order are called analytic. These distinctions are not binary but rather are a matter of degree.

So, there you have it. (It being a brief rundown on noun cases.) As parts of speech go, nouns are pretty straightforward. But like a duck paddling on water, nature’s got a lot of beautiful stuff going on underneath the surface.

Notes

1 Thanks to Schoolhouse Rock.
2 A fear of the number 13.
3 Pronouns generally resist change (the stubborn things), hence the moderate survival of cases where they were generally lost throughout the rest of the language.
4 This phenomenon is propelled by things like sound change. If the endings for two cases start to sound identical, it becomes hard to distinguish them as separate forms.

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