Hostility
来自Big Physics
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late Middle English: from French hostilité or late Latin hostilitas, from Latin hostilis (see hostile).
wiktionary
From Middle English hostilitie, hostilite, from Old French hostilité, from Latin hostīlitās.
etymonline
hostility (n.)
early 15c., hostilite, "hostile action," from Old French hostilité "enmity" (15c.), or directly from Late Latin hostilitatem (nominative hostilitas) "enmity," from Latin hostilis "inimical," from hostis, in earlier use "a stranger, foreigner," in classical use "an enemy," from PIE root *ghos-ti- "stranger, guest, host." Hostilities in the sense of "warfare" attested from 1610s.
