Meaning

noun the property of being upright in posture

noun position at right angles to the horizon

originEtymology tree English erect Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English erectness From erect + -ness.

Etymology from Wiktionary, CC BY-SA 3.0