Speciality
来自Big Physics
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wiktionary
special + -ity, from Middle French spécialité, from Old French specialte, especialte, from Latin specialitas.
etymonline
speciality (n.)
early 15c., "a special quality or thing;" mid-15c. as "quality of being special," from Old French specialte, especialte "nature, special quality, particularity; special point, distinction," and directly from Latin specialitatem (nominative specialitas) "peculiarity, particularity" from specialis "individual, particular" (see special (adj.)). French form spécialité (especially in reference to restaurant dishes) is recorded in English from 1839.
