Old High German tugan

← Old English dugan (cognate)

← Proto-Germanic *duganą (inherited)

← Gothic 𐌳𐌿𐌲𐌰𐌽 (cognate)

← Proto-Indo-European *dʰewgʰ- (root)

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

← Old Norse duga (cognate)

← Old Saxon dugan (cognate)

→ German taugen (mention)

→ Latvian daudz (cognate)