出典:Wiktionary
出典:『Wiktionary』 (2025/12/18 19:22 UTC 版)
16th century, from Dutch grof and/or Middle Low German grof (both “rough, coarse, rude”), from Old Dutch *grof or Old Saxon *grof, both from Proto-West Germanic *grob, from Proto-Germanic *grubaz (“coarse, rough”), possibly from an earlier *gahrubaz and then related with *hreubaz (“scabby, rough, scrubby”).
Cognate with Saterland Frisian groaf (“rough, coarse, crude”), West Frisian grof (“rough, coarse, crude”), Low German groff (“rough, coarse, crude”), German grob (“rough, coarse, crude”), Swedish grov (“rough, coarse, crude”).
gruff (comparative gruffer, superlative gruffest)
gruff (third-person singular simple present gruffs, present participle gruffing, simple past and past participle gruffed)
gruff (plural gruffs)
gruff