Roots/*tréyestréyes“three, the number three”Widely acceptednumbersthreePIE word for three. Gives Latin trēs, English "three", Greek treîs, Sanskrit tráyas.Related Rootsdwi-tó-“second, in two”dwóh₁“two, a pair”déḱm̥t“ten, a decade”h₁óynos“one, single, alone”kʷetwóres“four, the number four”oḱtṓw“eight, the number eight”pr̥h₃wós“first, foremost”swéḱs“six, the number six”