Meaning

noun a watery solution of sugars, salts, and minerals that circulates through the vascular system of a plant

noun a person who lacks good judgment

noun a piece of metal covered by leather with a flexible handle; used for hitting people

originFrom Middle English sap, from Old English sæp (“juice, sap”), from Proto-West Germanic *sap (“sap, juice”) (compare Dutch sap, German Saft, Icelandic safi), from Proto-Indo-European *sab-, *sap- (“to taste”) (compare Welsh syb-wydd (“fir”), Latin sapa (“must, new wine”), Russian со́пли (sópli, “snivel”), Old Armenian համ (ham, “taste”), Avestan 𐬬𐬌-𐬱𐬁𐬞𐬀 (vi-šāpa, “having poisonous juices”),…

Etymology from Wiktionary, CC BY-SA 3.0