foothold : (nt.) padapatiṭṭhāna; avaṭṭhāna. (m.) upatthambha.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

gting

[translation-san] {C} gādha

[translation-san] {C} āgāḍha

[translation-eng] {Hopkins} depth

[translation-eng] {C} firm footing; foothold; bottom; bottom

example

• [bod] nges pa gting nas 'drongs te
• [eng] one must induce ascertainment from the depths ...{MSI 430}

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary