From: stlatos
Message: 67681
Date: 2011-06-03
>There are no known conditions and it was probably optional, like many other Baltic changes.
> Does anyone know under what conditions IE *ei and *oi become respectively <ei> and <ai> in Lithuanian, and when they become <ie>? For example, is it determined by tone or stress?
>Also, why does <vienas> "one" have <v->?
>It's obviously because PIE h3 = xW and in IE xW > w and w > xW were opt. (such as in the dual * -ó:xW / -ó:w ), though this is not standard theory.