英语词汇callous的起源、历史背景-英语词源词典

词汇	callous
词源	callous adj. c. 1400, "hardened," in the physical sense, from Latin callosus "thick-skinned," from callus, callum "hard skin" (see callus). The figurative sense of "unfeeling, hardened in the mind" was in English by 1670s. Related: Callously; callousness. Entries linking to callous callus n. "hardened skin," 1560s, from Latin callus, variant of callum "hard skin," related to callere "be hard," from Proto-Italic *kaln/so- "hard," but the PIE source is uncertain. Among proposed cognates are Old Irish calath, calad, Welsh caled "hard;" Old Church Slavonic kaliti "to cool, harden," Russian kalit "to heat, roast," Serbo-Croatian kaliti "to temper, case-harden." callosal adj. "pertaining to the corpus callosum," 1864, from Latin callosus (see callous) + -al (1). updated on October 30, 2022
随便看	inform informal informality informant in forma pauperis informatics information informational informative informed informer infortunate infotainment infra infra- infraction infra dig. infralapsarian infra-red infrasonic infrastructure infrequency infrequent infrigidation infringe

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callous adj.