[grub] vb grubbed ; grub.bing [ME grubben; akin to OE grafan to dig--more at grave] vt (14c) 1: to clear by digging up roots and stumps
2: to dig up by or as if by the roots ~ vi 1 a: to dig in the ground esp. for something that is difficult to find or extract b: to search about "grubbed in the countryside for food --Lamp"
2: toil, drudge "folks who ~ for money --James Street" -- grub.ber n
[2]grub n [ME grubbe, fr. grubben] (15c) 1: a soft thick wormlike larva of an insect
2. a: one who does menial work: drudge b: a slovenly person
3: food