出典:Wiktionary
出典:『Wiktionary』 (2026/06/11 01:23 UTC 版)
From Proto-Germanic *dawwaz, *dawwą (“dew”), from Proto-Indo-European *dʰewh₂- (“smoke, haze”). Cognate with Middle Dutch dau, dou (“dew”), Old Frisian dāw (“dew”), Old Saxon dau (“dew”), Old High German tou (“dew”).