grinder
意味
- ひく人;研ぐ人,研ぎ屋
- 粉ひき機,粉砕機;砥(と)石
- 臼歯(きゅうし)
語源
英語の原文（Wiktionary）
From Middle English grinder, grindere, from Old English grindere (“one or that which grinds; grinder”), equivalent to grind + -er.
From Middle English grinder, grindere, from Old English grindere (“one or that which grinds; grinder”), equivalent to grind + -er.