unconcern : (f.) udāsīnatā; upekkhā.

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

bltos pa med pa

[translation-san] {C} nirapekṣatā (=anapekṣaṇatā)

[translation-san] {C} anapekṣaṇatā

[translation-san] {MSA} nirapekṣa

[translation-eng] {Hopkins} not view; not look

[translation-eng] {C} disregard; unconcern

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary