Norman if

← Breton ivin (cognate)

← Gaulish *iwos (derived)

← Proto-Celtic *iwos (derived)

← Welsh ywen (cognate)

← Middle French if (inherited)

← Old French if (inherited)

← Proto-Germanic *īhwaz (derived)

← Proto-Indo-European *h₁eyHweh₂ (derived)

← Old Irish eó (cognate)