Old Saxon thankon

← Old English þancian (cognate)

← Proto-Germanic *þankōną (inherited)

← Old High German dankon (cognate)

← Old Norse þakka (cognate)

← Old Dutch thankon (cognate)

← Old Frisian thonkia (cognate)

← Old Frisian thankia (mention)

→ Old English þancian (cognate)

→ Old Norse þakka (mention)