GRUBBLE

Etymology

Verb

grubble (third-person singular simple present grubbles, present participle grubbling, simple past and past participle grubbled)

(obsolete, ambitransitive) To feel or grope in the dark.

Synonyms

• fumble, grabble; see also feel around

Source: Wiktionary

Grub"ble, v. t. & i. Etym: [Freq. of grub, but cf. grabble.]

Definition: To feel or grope in the dark. [Obs.] Dryden.

Source: Webster’s Unabridged Dictionary 1913 Edition