Irish il

← Proto-Celtic *ɸilus (inherited)

← Proto-Celtic *ɸilus (inherited(ga/sga))

← Proto-Indo-European *pelh₁- (root)

← Proto-Indo-European *pélh₁us (inherited)

← Proto-Indo-European *pelh₁- (derived)

← Proto-Indo-European *pélh₁us (inherited(ga/sga))

← Proto-Indo-European *pelh₁- (derived(ga/sga))

← Old Irish il (inherited)

← Old Irish il (inherited(ga/sga))

→ Irish iolra (confix)

→ Irish ilphósadh (prefix)

→ Irish iléirimiúil (confix)

→ Irish ilréalta (prefix)

→ Irish ilbhliantúil (prefix)