h₂erg-

“to shine, white, silver”

Widely acceptednaturelightcolor

shine, white, silver

Root for white/shining, yielding Latin argentum (silver), Greek argyros, Sanskrit rajata-.

(s)teh₂n-“to thunder”Hreg-“to wet, to rain”H₂eydʰ-“to burn, to kindle a fire”angʷʰi-“eel, snake, water-serpent”bʰeh₂-w-“to shine forth, to appear”bʰerǵ-eyo-“to keep brightening, shining”bʰerǵ-s-“to protect by enclosing”bʰew-sis-“nature, growth, being”