gādha : [adj.] deep.

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

Gādha1 [Sk. gāḷha pp. of gāh, see gāhati] depth; a hole, a dugout A ii.107=Pug 43 (cp. PugA 225); Sdhp 394 (˚ŋ khaṇati). Cp. gāḷha2.

Pali-English Dictionary, TW Rhys Davids, William Stede,

Gādha2 [Sk. gāḷha firm Dhtp 167 "paṭiṭṭhāyaŋ" cp. also Sk. gādha, fordable & see gāḷha1] adj. passable, fordable, in a˚ unfathomable, deep PvA 77 (=gambhīra). nt. a iord, a firm stand, firm ground, a safe place: gambhīre ˚ŋ vindati A v.202. ˚ŋ esati to seek the terra firma S i.127; similarly: ˚ŋ labhati to gain firm footing S i.47; ˚ŋ ajjhagā S iv.206; ˚ŋ labhate J vi.440 (=patiṭṭhā). Cp. o˚, paṭi˚.

Pali-English Dictionary, TW Rhys Davids, William Stede,

gādha mf(ā)n. (ifc. Pāṇ. 6-2, 4) offering firm standing-ground, fordable (as a river), not very deep, shallow, KaushBr. ii, 9 Nir. MBh. &c
• (ám), n. ground for standing on in water, shallow place, ford RV. TS. iv ŚBr. xii TāṇḍyaBr. &c. (with bhāradvājasya, N. of a Sāman ĀrshBr.)
• m. id. R. v, 94, 12
• = sthāna L.
• desire, cupidity L.
• m. pl., N. of a people AV. Pariś. li, 22
 

Sanskrit-English Dictionary, by M. Monier William

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