h₂ster-n-

“to spread, strew out”

Widely acceptedextensionspatial

Source of Latin sternere, English straw, strata, stratum

Extended root for spreading out, yielding Latin sternere and English straw, stratum, substrate.‍‍‍‍‌‍‌‌‌‍‍‌‌‌‍‍‍‍‌‍‍‍‍‌‍‌‍‌‍‌‍‌

dʰewb-₂“to be deep, hollow”dʰewb-mn̥“depth, deep place”h₂embʰ-“on both sides, around”h₂embʰ-i-“around, about (locative)”h₁en-dʰo“into, within”h₁en-tero-“inner, interior”h₂eng-“to bend, angle”h₂enh₁-t-“front, forehead”