Meaning

noun a hole made by an animal, usually for shelter

verb move through by or as by digging

originFrom Middle English borowe, borewe, borwȝ, burȝe, burh, burye (“refuge for an animal, lair, burrow”), apparently a variant of Middle English burgh (“fortified dwelling, stronghold, refuge”) (see borough) and thus from Old English burh, from Proto-West Germanic *burg, from Proto-Germanic *burgz (“stronghold, city”), from Proto-Indo-European *bʰerǵʰ- (“high”), but this sense is not known in Old…

Etymology from Wiktionary, CC BY-SA 3.0