Scottish Gaelic feum

← Proto-Celtic *wedesman (inherited)

← Irish feidhm (cognate)

← Proto-Indo-European *wedʰ- (root)

← Proto-Indo-European *wedʰ- (derived)

← Old Irish feidm (inherited)

→ Irish feidhm (cognate)

→ Scottish Gaelic mì-fheum (prefix)

→ Scottish Gaelic feumail (suffix)

→ Scottish Gaelic feumach (affix)