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出典:Wiktionary
出典:『Wiktionary』 (2025/04/12 00:26 UTC 版)
From grub + -le, frequentative, but compare grabble.
grubble (third-person singular simple present grubbles, present participle grubbling, simple past and past participle grubbled)
“grubble”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
grubble