Meaning

noun the main organ of photosynthesis and transpiration in higher plants

noun a sheet of any written or printed material (especially in a manuscript or book)

noun hinged or detachable flat section (as of a table or door)

originFrom Middle English leef, from Old English lēaf, from Proto-West Germanic *laub, from Proto-Germanic *laubą (“leaf”), from Proto-Indo-European *lowbʰ-o-m, from *lewbʰ- (“to cut off”). Cognates Cognate with Scots leaf (“leaf”), Yola laafe (“leaf”), North Frisian luuf (“leaf”), Saterland Frisian Loof (“leaf”), West Frisian leaf (“leaf”), Cimbrian loap (“leaf”), Dutch loof (“foliage”), German Laub…

Etymology from Wiktionary, CC BY-SA 3.0