Palatalized p would depalatalize with the lost
feature forming a new sound next to p in some IE
languages. In Celtic:
tópYmó+ 'warm'
tópYmós
tóipmós
tóifmós
tóivmós
tóimmós
etc
toim 'hot' Old Cornish
te_pYtú+ 'warmth'
te_pYtús
te_ps.tús
tefs.tus
texWs.tus
etc
tess 'heat' Old Irish
These changes are just a small part of a widely
occurring variety of changes to CY before certain
consonants in many IE languages.
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