8 letters · 12 points in Scrabble
noun a hormone secreted by the pancreas; stimulates increases in blood sugar levels in the blood (thus opposing the action of insulin)
originFrom gluco- + Ancient Greek ἄγων (ágōn), present participle of ἄγω (ágō, “push forward, put in motion; stir up; excite, urge”).
Etymology from Wiktionary, CC BY-SA 3.0