12 letters · 15 points in Scrabble
noun a steroid hormone (trade name Lipo-Lutin) produced in the ovary; prepares and maintains the uterus for pregnancy
originEtymology tree English pro- Latin gestāre German Ketonbor. English ketone English -one English progesterone From pro- + Latin gestāre (“to bear, to carry”) + English -one.
Etymology from Wiktionary, CC BY-SA 3.0