From: Piotr Gasiorowski
Message: 29374
Date: 2004-01-11
>> > > And we can add to this oddness the greek hebd- besides hept-.Slavic *sedmI '7' and *osmI '8' are both irregular; the latter owes its
>> Of course. So, there is a triplet of variants: *septm / *sepm / *sebdm.
>
> The Greek voiced form may simply be by analogy with the voiced forms in
> "eight": ogdoos etc. The origin of the voicing in 8 remains obscure, but
> laryngeals have been dragged into it. It is one of the bits of evidence
> sometimes used to prove that h3 was voiced. The presence of a laryngeal at
> the end of 8 seems clear (Sanskrit shows -au and -a, and cases with
> both -a- and -a:-), and the ending -o: points to -h3.