From: george knysh
Message: 10760
Date: 2001-10-30
>*****GK: Working from Latin. Do "aqua" (water) and
> *kW is a unitary phoneme and a single segment
> (labiovelar stop), whereas *k^w is a cluster of two
> phonemes realised as two segments (palato-velar stop
> plus labiovelar approximant). The two are
> consistently distinguished in all Satem languages
> (e.g. in Slavic *kW > *k but *k^w > *sv), and were
> evidently kept distinct in PIE, though they
> admittedly merged later in several branches, partly
> or completely.