英语词汇*swep-的起源、历史背景-英语词源词典

词汇	*swep-
词源	swep- Proto-Indo-European root meaning "to sleep." It forms all or part of: hypno-; hypnosis; hypnotic; hypnotism; insomnia; somni-; somnambulate; somniloquy; somnolence; somnolent; Somnus; sopor; soporific. It is the hypothetical source of/evidence for its existence is provided by: Sanskrit svapnah, Avestan kvafna-, Greek hypnos, Latin somnus, Lithuanian sapnas, Old Church Slavonic sunu, Old Irish suan, Welsh hun "sleep;" Latin sopor "a deep sleep;" Old English swefn, Old Norse svefn "a dream." Entries linking to swep- hypno- word-forming element meaning "sleep," from Greek hypnos "sleep," from PIE supno-, suffixed form of root swep- "to sleep." hypnosis n. 1850, "the coming on of sleep," coined (as an alternative to hypnotism) from hypno- "sleep" + -osis "condition." But the distinction was not sustained, and by 1876 hypnosis was being used of artificially induced conditions. hypno-hypnosis (n.)hypnotic (adj.)hypnotism (n.)insomnia (n.)somni-somnambulate (v.)somniloquy (n.)somnolence (n.)somnolent (adj.)Somnus (n.)sopor (n.)soporific (adj.)dream (n.)hypnobate (n.)sleep (v.)somnambulism (n.)somniculous (adj.)somniferous (adj.) updated on May 25, 2017
随便看	bally ballyhoo balm balmy balneal baloney balsa balsam balsamic balt balthazar baltic baltimore balto- baluchistan baluchitherium baluster balustrade bam bambino bamboo bamboozle ban banal banality

英语词源词典收录了45867条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。

*swep-