ᴱQ. [xʷ] became [x] before consonants, or [w] before voiced spirants and [j], [w]; [xʷC|xʷ{βðɣɣʷjw}] > [xC|w{βðɣɣʷjw}]

References ✧ PE12/017.3001; PE12/017.3504

Phonetic Rule Elements

[xʷC] > [xC]
[xʷ{βðɣɣʷjw}] > [w{βðɣɣʷjw}]