Scottish Gaelic ith

← Proto-Celtic *ɸiteti (inherited)

← Proto-Indo-European *peyt- (inherited)

← Old Irish ithid (inherited)

→ German essen (cognate)

→ Scottish Gaelic feòil-itheach (affix)

→ Scottish Gaelic feòil-itheadair (affix)

→ Scottish Gaelic lus-itheach (affix)

→ Scottish Gaelic feur-itheach (affix)

→ Scottish Gaelic lus-itheadair (suffix)