h₁en-dʰo

“into, within”

Widely accepteddirectionspatial

endo-, endogenous

Extended form of *h₁en yielding Greek endo-, English endogenous, endocrine.‍‍‌‍‌‌‌‌‍‍‌‌‍‌‍‌‍‍‍‌‍‌‍‌‌‌‌‌‌‌‍‌

deyḱ-eyo-“to keep pointing, indicating”dʰewb-₂“to be deep, hollow”dʰewb-mn̥“depth, deep place”gʷeyd-eyo-“to keep seeing, watching over”gʷeyd-mn̥-“a knowing, recognized thing”h₂embʰ-“on both sides, around”h₂embʰ-i-“around, about (locative)”h₁en-tero-“inner, interior”