Swedish duktig

← German tüchtig (cognate)

← German Tucht (cognate)

← English doughty (cognate)

← Proto-Germanic *duganą (derived)

← Middle Low German duchtich (borrowed)

← Proto-West Germanic *duhtīg (derived)

← Proto-West Germanic *duhti (mention)

← Dutch duchtig (cognate)

← Swedish duga (cognate)

→ English doughty (cognate)

→ Finnish tuhti (borrowed)