From a compound of hupo and histemi; a setting under (support), i.e. (figuratively) concretely, essence, or abstractly, assurance (objectively or subjectively)confidence, confident, person, substance. see GREEK hupo see GREEK histemi
Textus Receptus Greek Text
upostasei2 Cor 9:4, 2 Cor 11:17
upostasewVHeb 1:3, Heb 3:14
upostasiVHeb 11:1