Webster’s Revised Unabridged Dictionary · 1913
Decalogue
Dec′a·logue, n. [F. décalogue, L. decalogus, fr. Gr. δεκάλογος; δέκα ten + λόγος speech, λέγειν to speak, to say. See Ten.] The Ten Commandments or precepts given by God to Moses on Mount Sinai, and originally written on two tables of stone.