12 letters · 20 points in Scrabble
noun the philosophical theory of knowledge
originFrom Ancient Greek ἐπιστήμη (epistḗmē, “science, knowledge”), from ἐπίσταμαι (epístamai, “to know”) + -λογία (-logía, “study or logic of”), from λόγος (lógos, “speech, language”). The term was introduced into English by Scottish philosopher James Frederick Ferrier (1808–1864).
Etymology from Wiktionary, CC BY-SA 3.0