From: P&G
Message: 50579
Date: 2007-11-22
> derivationof thessasthai from *gwhedh- ?If it is indeed *gwhedh-s, then the process would be as you describe,
> 1. gwhedh-s- > thedh-s- (gwh before e > th )*thet-s would become the attested root thess-.
> 2. thedh- s- > theth-s- (loss of voiced aspirates)??
> 3. theth-s > ??