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Old English þanc (inherited)
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Middle English thank (inherited)
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Middle English thanken (inherited)
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West Frisian tank (cognate)
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West Frisian tanke (cognate)
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Proto-Germanic *þankaz (inherited)
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Proto-Indo-European *tong- (derived)
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Proto-Indo-European *teng- (mention)
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Proto-Indo-European *teng- (root)
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Proto-Indo-European *teng- (derived)
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Icelandic þökk (cognate)
←
Icelandic þakka (cognate)
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Low German Dank (cognate)
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Saterland Frisian Tonk (cognate)
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Saterland Frisian tonkje (cognate)
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Swedish tacka (cognate)
→
Esperanto danko (cognate)
→
Faroese takka (cognate)
→
Icelandic takk (cognate)
→
Icelandic þakka (cognate)
→
Icelandic þökk (cognate)
→
Luxembourgish danken (cognate)
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Saterland Frisian tonkje (link)