出典:Wiktionary
出典:『Wiktionary』 (2026/05/11 19:20 UTC 版)
Uncertain. Possibly from a collective of Proto-Indo-European *udn-om n (“body of water”) (compare Latvian ūdens (“water”)) reanalysed as a feminine singular and with metathesis of *-dn- to *-nd-, from *wódr̥, *udn- (“water”), attested in Italic as Umbrian 𐌖𐌕𐌖𐌓 (utur, “water”).
The resemblance to Proto-Germanic *unþī (“wave”) appears to be coincidental, with at most minor semantic confluence.
unda f (genitive undae); first declension
First-declension noun.
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ハジロオオシギ
オオハシカッコウ
むら
a village
to speak with a provincial accent
かま
Okey-dokes
a trumpet
ウアカリ類
uakaris
a fellow
ヤマホウレンソウ