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==Diachronic sketch== | ==Diachronic sketch== | ||
#q, qʷ > k, kʷ | #q, qʷ > k, kʷ | ||
#root voice assimilation: a plain stop (unless following ''s'') is assimilated to a voiced stop within a stem | |||
#*"An additional constraint prohibited roots containing both a voiced aspirated and a voiceless plosive (**tebʰ-), unless the latter occurs in a word-initial cluster after an *s (e.g. *stebʰ- 'to stiffen'). Taken together with the abundance of *DʰeDʰ-type roots, it has been proposed that this distribution results from a limited process of voice assimilation in pre-PIE, where a voiceless stop was assimilated to a voiced aspirate, if another one followed or preceded within a root." | |||
#a ə i u > e a i u (before laryngeals vocalize) | #a ə i u > e a i u (before laryngeals vocalize) | ||
#laryngeal reflexes: | #laryngeal reflexes: | ||
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#*axʷ, exʷ, ixʷ, uxʷ > ō, ō, iw, ū | #*axʷ, exʷ, ixʷ, uxʷ > ō, ō, iw, ū | ||
#*ax̌ʷ, ex̌ʷ, ix̌ʷ, ux̌ʷ > ā, ō, ew, ō | #*ax̌ʷ, ex̌ʷ, ix̌ʷ, ux̌ʷ > ā, ō, ew, ō | ||
#*Zero-grade becomes u-grade | |||
#* | |||
*l > r; lʼ, ł > l | *l > r; lʼ, ł > l | ||
*mC, nC, lC, rC > um, un, ul, ur (word-initially) | *mC, nC, lC, rC > um, un, ul, ur (word-initially) |
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