出典:Wiktionary
出典:『Wiktionary』 (2024/08/02 23:57 UTC 版)
From Proto-Germanic *kulaswartaz. Cognate with West Frisian koalswart, Dutch koolzwart, German kohlschwarz, Swedish kolsvart, Icelandic kolsvartur. Equivalent to col (“coal”) + sweart (“black”).