theta

adjective firm, reliable, trustworthy, true DN.i.4 (DN-a.i.73: theto ti thiro; ṭhita-katho ti attho); MN.i.179; SN.iv.384; AN.ii.209 = Pp.57; Cnd.623
■ abl. thetato in truth SN.iii.112
attheta Ja.iv.57 (= athira).

Sk. from tiṭṭhita, Müller P. Gr. 7 = sthātṛ