grovel

From Middle English grovelen, from Old Norse grufla, grœfla (“to grovel”), from Proto-Germanic grubilōną (“to dig, delve into”), from Proto-Indo-European *gʰrebʰ‑ (“to dig, scrape, scrabble, scratch”); akin to Old Norse á grufu (“on one's belly”) ( > Old Norse grúfa (“to lie face down, grovel”)). Cognate with Scots grovel, gruvil (“to grovel”), German grübeln (“to meditate, ponder”), Norwegian Nynorsk gruvla (“to grovel”). Compare also West Frisian groebeltsje (“to make a mess, skip school, skive”), Dutch grobbelen (“to grope, root, grub”).