immaculate : (adj.) nimmala; anavajja; akalaṅka.

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

dri ma med pa

[translation-san] {LCh,C,MSA} vimalā

[translation-san] {C} amala

[translation-san] {MSA} nirmala

[translation-san] {MSA} nirmalatva

[translation-san] {MSA} malāpeta

[translation-eng] {Hopkins} stainless; Stainless (second bodhisattva ground)

[translation-eng] {C} spotless; immaculate; not defiled/tainted

[comments] second of the ten Bodhisattva grounds (sa, bhūmi); for others see: sa

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary