Been working on Vrkhazhian's prosody.
It's a weight-sensitive system that involves the last three syllables, so roughly the stress patterns are like this:
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(ˈH L) σ]
(H ˈH) σ]
(ˈL L) σ]
(L ˈH) σ]
This often results in various vowel elisions:
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Final light:
σ H (ˈL L) L] > σ (ˈH L) H] (apocope) or σ H (ˈH L) L] (vowel lengthening) or σ H (L ˈH) L] (gemination of suffix)
σ H (L ˈH) L] > no change
σ H (ˈH L) L] > no change or σ (H ˈH) H] (apocope)
σ H (H ˈH) L] > no change
σ L (ˈL L) L] > no change or σ (ˈL L) H] (apocope) or σ L (ˈH L) L] (vowel lengthening) or σ L (L ˈH) L] (gemination of suffix)
σ L (L ˈH) L] > no change or σ (H ˈH) L] (pretonic syncope)
σ L (ˈH L) L] > no change or σ (L ˈH) H] (apocope)
σ L (H ˈH) L] > no change
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Final Heavy:
σ H (ˈL L) H] > σ (H ˈH) H] (apocope) or σ H (ˈH L) H] (vowel lengthening) or σ H (L ˈH) H] (gemination of suffix)
σ H (L ˈH) H] > no change
σ H (ˈH L) H] > no change
σ H (H ˈH) H] > no change
σ L (ˈL L) H] > no change or σ L (ˈH L) H] (vowel lengthening) or σ L (L ˈH) H] (gemination of suffix)
σ L (L ˈH) H] > no change or σ (H ˈH) H] (pretonic syncope)
σ L (ˈH L) H] > no change
σ L (H ˈH) H] > no change
A specific example, using the word
sammalim "crocodile", which shows why the nominative singular is
-im and nominative plural is
-īma:
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Rhythm-based apocope:
1.a) sam-má-li-ma > sám-ma-lim
H -L -L -L H -L -H
1.b) sám-ma-lī́-ma > sám-ma-lī́-ma
H -L -H -L H -L -H -L
I have run into issues when some words interact with possessive suffixes, such as
-ku (3fs) and
-kun (3fp) that result in undesirable outcomes, such as the elision of the gender vowel of the suffix or the noun. So I try to solve it with some prosodic allomorphy (examples 2aii and 2cii):
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2.a) sam-má-li-ku > i) sám-ma-lik (expected but undesired)
H -L -L -L H -L -H
> ii) sám-ma-lík-ku (unexpected but desired)
H -L -H -L
2.b) sám-ma-lī́-ku > sám-ma-lī́-ku
H -L -H -L H -L -H -L
2.c) sam-má-li-kun > i) sam-mál-kun (expected but undesired)
H -L -L -H H -H -H
> ii) sám-ma-lík-kun (unexpected but desired)
H -L -H -H
2.d) sám-ma-lī́-kun > sám-ma-lī́-kun
H -L -H -H H -L -H -H