ten; 10
From Proto-Italic *dekem, from Proto-Indo-European *déḱm̥. Cognates include Sanskrit दश (daśa), Ancient Greek δέκα (déka), Gothic 𐍄𐌰𐌹𐌷𐌿𐌽 (taihun) and Old English tīen (English ten).
Practice speaking and memorizing "decem" and many other words and sentences in Latin.