Danish tak

← German Dank (cognate)

← German Zacke (cognate)

← English thank (cognate)

← English tack (cognate)

← Proto-Germanic *þankō (inherited)

← Proto-Germanic *þankaz (mention)

← Proto-Germanic *takkô (derived)

← Middle Low German tacke (derived)

← Old Norse þǫkk (inherited)

→ English thank (cognate)

→ Danish gudsketak (mention)

→ German Dank (cognate)

→ Faroese ta (borrowed(fo/en))

→ Faroese takk (borrowed)

→ Icelandic takk (borrowed)

→ Icelandic takk (cognate)

→ Icelandic þökk (cognate)

→ Norwegian Bokmål takk (cognate)