出典:Wiktionary
出典:『Wiktionary』 (2026/03/16 03:25 UTC 版)
crusta (plural crustae)
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “crusta”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)
crusta (plural crustas)
From Proto-Italic *krustos, from Proto-Indo-European *krustós (“hardened”), from *krews- (“to form a crust, begin to freeze”), related to Old Norse hroðr (“scurf”), 古期英語 hruse (“earth”), Old High German hrosa (“crust, ice”), Latvian kruvesis (“frozen mud”), Ancient Greek κρύος (krúos, “frost, icy cold”), κρύσταλλος (krústallos, “crystal, ice”), Avestan 𐬑𐬭𐬎𐬰𐬛𐬭𐬀- (xruzdra-, “hard”), Sanskrit क्रुड् (kruḍ, “thicken, make hard”).
crusta f (genitive crustae); first declension
First-declension noun.
| singular | plural | |
|---|---|---|
| nominative | crusta | crustae |
| genitive | crustae | crustārum |
| dative | crustae | crustīs |
| accusative | crustam | crustās |
| ablative | crustā | crustīs |
| vocative | crusta | crustae |
crusta n