出典:Wiktionary
出典:『Wiktionary』 (2026/02/26 17:23 UTC 版)
From 中期英語 ache, borrowed from Old French ache, from Vulgar Latin *acca. The source is unclear, but may descend from the vowelless alphabetic sequence ha ka 'H, K' (becoming [aka] when the [h] ceased to be pronounced), as K had low frequency in Late Latin. Doublet of ecchi.