Proto-Germanic *merkuz

→ English murk (derived)

→ Danish mørk (inherited)

→ Danish mørke (derived)

→ Faroese myrkur (derived)

→ Galician morca (borrowed)

→ Scanian mørker (inherited)

→ Ancient Greek μαυρός (cognate)

→ Ancient Greek ἀμορβός (cognate)

→ Icelandic myrkur (derived)

→ Old Norse myrkr (derived)

→ Albanian marrtë (cognate)

→ Swedish mörker (inherited)

→ Swedish mörk (inherited)