to stand fast, to be on firm ground, to have a firm footing: āpo ca paṭhavī ca tejo vāyo na gādhati “the four elements have no footing DN.i.223 = SN.i.15
■ Dhamma-Vinaye gādhati “to stand fast in the Doctrine & Discipline” SN.iii.59 sq.

v. der. fr. gādha²