kolh₁-

“hill, elevated ground”

Widely acceptedlandscapegeography

hill, holm, column, excel

Root of Latin collis "hill", columna "pillar", Old English hyll, yielding English hill, holm, column‌‌‍‍‌‌‍‍‍‍‍‍‍‌‍‌‌‍‌‌‍‍‌‍‍‌‌‍‍‌‌‍, excel.

bʰerǵ-₂“high, lofty, elevated”bʰerǵ-mn̥“high place, mountain”bʰergh-mn̥“something high, mountain”bʰerǵʰ-mn̥-“height, elevated place”bʰredʰ-“to wade through, to cross water on foot”bʰruH-“beam, bridge structure, plank”delbʰ-“to dig, delve, hollow”dhelbh-“to dig, to hollow out”