From Middle French [Term?], from Old French label, lambel, of Germanic origin, from Low Frankish *labb(v)a (“torn piece of cloth”), from Proto-Germanic *lappjaz, *lappēn, *lappōn, *lapil- (“cloth stuff, rag, scraps, flap, dewlap, lobe, rabbit ear”), from Proto-Indo-European *leb- (“blade”). Akin to Old High German lappa (“rag, piece of cloth”) (German Lappen (“cloths”)), Old English læppa (“skirt, flap of a garment”). More at lap.
lambeau m (plural lambeaux)