| 词源 |
sheath n.Middle English shethe, "close-fitting case or covering for a blade," from Old English sceaþ, scæþ, from Proto-Germanic *skaith- (source also of Old Saxon scethia, Old Norse skeiðir (plural), Old Frisian skethe, Middle Dutch schede, Dutch schede, Old High German skaida, German scheide "a sheath, scabbard"), perhaps from an extended form of PIE root *skei- "to cut, split," on the notion of a split stick with the sword blade inserted. Extended to any somewhat similar tube-like covering by 1550s; the meaning "condom" is recorded from 1861; the sense of "close-fitting dress or skirt" is attested from 1904. updated on August 14, 2022 |