h₂ep-ero-

“shore, bank, further side”

Widely acceptedlandscapewater

river, rival, arrive, derive

Root of Latin rīpa "bank", rīvus "stream", yielding English river, rival (one sharing the same stream), arrive, derive.

Hreg-“to wet, to rain”bʰergh-mn̥“something high, mountain”bʰerǵʰ-mn̥-“height, elevated place”bʰlewH-“to overflow, to well up”bʰredʰ-“to wade through, to cross water on foot”bʰruH-“beam, bridge structure, plank”dhelbh-“to dig, to hollow out”dʰembʰ-“to bury, to dig into earth”