krsnó-
“black, dark”Debatedcolorappearance
black
Root for black or dark. Gives Sanskrit kṛṣṇá "black" (as in Krishna), Old Slavic *čьrnъ.
bʰleh₁-wo-“yellow, golden-hued”bʰlewk-“to shine, to flash white”bʰlēg-“to shine, to gleam, to burn”bʰosos“bare, naked”dheHl-“to bloom, be green”dʰeh₁-gʷʰ-“to burn, to be warm, dark from burning”dʰergʰ-“to make dark, to dim, to obscure”gʰel-eyo-“to keep shining, gilding”