IE /st/ > Etruscan /z/

[Peter &/or Graham]

Ed said:
>I think z in Etruscan, certainly when written with Latin characters, was
>actually a rendering of Greek zeta, pronounced dz (or maybe ts in certain
>contexts) at the time (nowadays it is just English z).  So, st > Etruscan z
>could be just  a metathesis.
>Would this be valid?

No metathesis is needed.   Greek zeta routinely represented both /dz/ and
/zd/.   The latter is shown in such spellings as Athe:naze for Athe:nas-de
(= to Athens).

Peter