Proto-Indo-European *deru-

→ English truth (derived)

→ English trust (derived)

→ English tryst (derived)

→ Catalan dur (derived)

→ French dur (derived)

→ Ancient Greek δροόν (derived)

→ Icelandic traust (derived)

→ Latin durus (derived)

→ Norman dû (derived)

→ Occitan dur (derived)

→ Old Prussian drūwis (derived)

→ Portuguese durante (derived)

→ Russian деревянный (mention)