h₂embʰo-

“both, the two together”

Widely acceptedquantityduality

both, ambi-, amphi-

Form yielding English both, Latin ambi-, Greek amphi- (both sides).‌‌‍‌‌‌‍‌‍‍‌‍‍‍‌‌‍‍‌‍‌‌‌‌‌‌‍‍‌‌‌‍

dwi-plo-“twofold, doubled”h₂el-is-“beyond, more, enough”h₂el-no-“all, entire, whole”h₂el-tero-“one of two, the other”h₂embʰ-“on both sides, around”h₂ey-kʷo-“each one, every”h₂mey-“to diminish, lessen”h₁oyn-ḱo-“one time, single instance”