出典:Wiktionary
出典:『Wiktionary』 (2026/03/29 20:37 UTC 版)
From Italian rivoletto, diminutive of rivolo (“trickle, little stream”), diminutive of rivo (“stream, brook, creek”), ultimately from Latin rīvulus, diminutive of rīvus. By surface analysis, Latin rīvus + -ule + -et.
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