h₁oyn-ḱo-

“one time, single instance”

Widely acceptedtimequantity

once, only, one

Extended form of *h₁óynos yielding English once, only from the sense of a single occurrence.

bʰew-tó-“that which has grown, become”deh₂-“to divide, share”deh₂-mn̥-₂“a portion of time, division”deh₃-tó-₂“given, granted”dwi-plo-“twofold, doubled”dyu-es-“daylight, bright day”dyu-n-“day, daytime period”dʰegʷʰ-“to burn, be warm”