ḱwey-t-

“to shine, be bright, white”

Widely acceptedcolorlight

Source of English white, wheat, Slavic světъ (light/world)

Root for brightness/whiteness, yielding English white, wheat and Slavic světъ (world = the bright).‌‍‍‌‌‌‍‌‍‍‌‍‍‍‌‍‌‍‌‌‍‍‌‍‌‍‍‍‍‍‍‌

bʰeh₂-w-“to shine forth, to appear”bʰerǵ-eyo-“to keep brightening, shining”bʰewk-“to shine, gleam”bʰleg-“to shine, burn, flash”bʰlēg-“to shine, to gleam, to burn”bʰleg-eyo-“to keep burning, blazing”bʰleg-mn̥-₂“blaze, shining fire”bʰleh₁-g-“to set on fire, to blaze”