Roots/*déḱm̥tdéḱm̥t“ten, a decade”Widely acceptednumberstenPIE word for ten. Gives Latin decem, English "ten", Greek déka, Sanskrit dáśa.Related Rootsdwi-tó-“second, in two”dwóh₁“two, a pair”h₁óynos“one, single, alone”kʷetwóres“four, the number four”oḱtṓw“eight, the number eight”pr̥h₃wós“first, foremost”swéḱs“six, the number six”tréyes“three, the number three”