Proto-Celtic *daru

→ English Derry (derived)

→ Welsh derw (inherited)

→ Welsh dâr (inherited)

→ Irish dair (inherited)

→ Irish doire (derived)

→ Ancient Greek λάριξ (derived)

→ Alemannic German Läärche (derived)

→ Cornish dar (inherited)

→ Latin larix (derived)

→ Old Irish dair (inherited)