Old English tacn

← Proto-Germanic *taikną (inherited)

← Old High German zeihhan (cognate)

← Gothic 𐍄𐌰𐌹𐌺𐌽𐍃 (cognate)

← Proto-Indo-European *deyḱ- (root)

← Old Norse teikn (cognate)

← Old Frisian tēken (cognate)

← Old Saxon tēkan (cognate)