Roots / *peh₂-tro-₂
peh₂-tro-₂ “rock, stone, bedrock” Widely accepted material landscape
Peter, petrify, petroleum, petrology
At a Glance
Reconstruction peh₂-tro-₂ Meaning “rock, stone, bedrock” Confidence Widely accepted Semantic field material, landscape Instrumental form giving Greek petros/petra, English Peter, petrify, petroleum, petrology.
bʰerdʰ- “to cut, split, separate” bʰerǵ-s- “to protect by enclosing” bʰergh-mn̥ “something high, mountain” bʰerǵʰ-mn̥- “height, elevated place” bʰredʰ- “to wade through, to cross water on foot” bʰreg-mn̥ “that which breaks, fragment” bʰruH- “beam, bridge structure, plank” deru- “tree, wood, to be firm” related entry