Proto-Germanic *dreusaną

→ English drowse (inherited)

→ Old English dreosan (inherited)

→ German Trauer (derived)

→ Middle English dresen (inherited)

→ Galician trousar (mention)

→ Galician trouso (mention)

→ Westrobothnian dröös (inherited)

→ Gothic 𐌳𐍂𐌿𐍃 (mention)

→ Gothic 𐌳𐍂𐌹𐌿𐍃𐌰𐌽 (inherited)

→ Ancient Greek θρυλίσσω (cognate)

→ Hunsrik Trauer (derived)

→ Luxembourgish Trauer (derived)

→ Old Saxon driosan (inherited)