Meaning

noun the brother of your father or mother; the husband of your aunt

noun a source of help and advice and encouragement

originEtymology tree Proto-Indo-European *h₂éwh₂os Latin avunculus Old French unclebor. Middle English uncle English uncle From Middle English uncle, borrowed from Anglo-Norman uncle and Old French oncle, from Vulgar Latin *aunclum, from Latin avunculus (“maternal uncle”, literally “little grandfather”), from Proto-Indo-European *h₂euh₂-n-tlo- (“little grandfather”), a dialectal diminutive of *h₂éwh₂ō…

Etymology from Wiktionary, CC BY-SA 3.0