Icelandic

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Etymology

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From Danish Claessen, from Dutch Claessen, from Claes (shortened form of Niklaas, Niclaas, Niclaes, ultimately from Ancient Greek Νικόλαος (Nikólaos)) + -sen (patronymic suffix), equivalent to Danish-derived -sen in other Icelandic surnames and ultimately from Proto-Germanic *sunuz (son)).

Pronunciation

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Proper noun

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Claessen m

  1. a surname
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