Roots/*ṇdʰeriṇdʰeri“under, below”Widely accepteddirectionspatialunder, inferior, infraLocative adverb yielding English under, Latin inferus/infra.Related Rootsdeyḱ-eyo-“to keep pointing, indicating”dʰewb-mn̥“depth, deep place”dʰewb-₂“to be deep, hollow”gʷeyd-eyo-“to keep seeing, watching over”gʷeyd-mn̥-“a knowing, recognized thing”h₁en-dʰo“into, within”h₁en-tero-“inner, interior”h₁epi“upon, at, near”