From: tgpedersen
Message: 46040
Date: 2006-09-12
> Jasanoff...
> Hittite and the Indo-European verb:
> "
> As I have suggested elsewhere (Jasanoff 1994: 164), the o-timbre of
> the 3 sg. middle may have originated in a pre-PIE sound change that
> converted unaccented word-final *-e-r to *-o-r in the nascent
> primary ending.
> Once established before *-r in forms ofMiddle *-or has no e-grade. 3pl. *-erV- has no o-grade. But if they
> the type *k^éy-o-r 'lies', an *-o- generated in this way would
> have been well positioned to replace **-e by analogy in the
> corresponding imperfect / injunctive **k^éy-e > *k^éy-o lay' and
> in oxytone forms of the type **dhugh-é-r > *dhugh-ó-r 'furnishes',
> impf./ inj. **dhugh-é > *dhugh-ó.
> "