steadily : (adv.) thirākārena.

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

rtan par

[translation-san] {C} dṛḍham

[translation-san] {C} dṛḍha-cittena (bhavitavyam)

[translation-san] {MSA} sadā

[translation-eng] {Hopkins} firmly; steadily

[translation-eng] {C} should make his mind firm

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary