Nonverbal parts of speech were, in the parent language, regularly
stressed within the first three syllables, on the farthest-right, heaviest
syllable. (In standard notation, 123/123/123L.)
The weight of the syllable is determined by the length of the vowel
(a long vowel is heavier than a short one) or by whether it has a coda
consonant. K grammarians assert that sonant codas (l, m, n, ŋ, r)
do not count for syllable weight, but the evidence on this is unclear.
The protosystem is mainly inherited in Kirumb; however the loss of initial
vowels sometimes leaves accent sooner than the early rules dictate.
Thus words like navanos /nA"vAnUs/ 'ninth' from earlier,
regular *inawńnos.
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