Old Irish ré

← Gaulish ris (cognate)

← Proto-Celtic *ɸrīs (inherited)

← Proto-Celtic *ɸrīsamos (mention)

← English first (cognate)

← Proto-Indo-European *per- (derived)

← Latin prīscus (cognate)

← Latin prīmus (cognate)

← Old Irish íar (mention)

← Old Irish remi- (mention)

→ Irish ré (inherited)

→ Irish roimh (inherited)

→ Scottish Gaelic ro (inherited)

→ Manx roish (inherited)

→ Old Irish resíu (compound)