h₂ergʷ-

“to be bright, sparkle”

Debatedlightcolormetal

Source of Latin argentum, English argent

Root for brightness/whiteness, yielding Latin argentum (silver) and derivatives.

H₂eydʰ-“to burn, to kindle a fire”bʰeh₂-w-“to shine forth, to appear”bʰerǵ-eyo-“to keep brightening, shining”bʰewk-“to shine, gleam”bʰleg-“to shine, burn, flash”bʰleg-eyo-“to keep burning, blazing”bʰleg-mn̥-₂“blaze, shining fire”bʰleh₁-g-“to set on fire, to blaze”