Roots/*swéḱsswéḱs“six, the number six”Widely acceptednumberssixPIE word for six. Gives Latin sex, English "six", Greek héx, Sanskrit ṣáṣ.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”tréyes“three, the number three”