Old Norse þjónusta

← Proto-Germanic *þewanōstaz (inherited)

← Proto-Germanic *þewanōną (mention)

← Proto-Indo-European *tekʷ- (root)

← Old Norse þjóna (mention)

→ Old English þenest (cognate)

→ Danish tjeneste (derived)

→ Icelandic þjónusta (inherited)

→ Norwegian Bokmål tjeneste (derived)

→ Norwegian Nynorsk tenest (mention)