5 letters · 10 points in Scrabble
noun a case or sheath especially a pollen sac or moss capsule
noun outer sheath of the pupa of certain insects
originFrom New Latin, from Latin thēca, from Ancient Greek θήκη (thḗkē, “a case, box, receptacle”), from τίθημι (títhēmi, “put, set, place”). Doublet of tay.
Etymology from Wiktionary, CC BY-SA 3.0