Meaning

noun a long narrow furrow cut either by a natural process (such as erosion) or by a tool (as e.g. a groove in a phonograph record)

noun a settled and monotonous routine that is hard to escape

noun (anatomy) any furrow or channel on a bodily structure or part

originFrom Middle English grov, grove, groof, grofe (“cave; pit; mining shaft”), probably from Old Norse gróf (“pit”) or from Middle Dutch groeve (“furrow, ditch”), both from Proto-West Germanic *grōbu, from Proto-Germanic *grōbō (“groove, furrow”), from Proto-Indo-European *gʰrebʰ- (“to dig, scrape, bury”). Cognate with Cimbrian gruuba (“gorge, ravine”), Dutch groef, groeve (“groove; pit, grave”),…

Etymology from Wiktionary, CC BY-SA 3.0