core : (f.) miñjā. (m.) antobhāga. (v.t.) miñjam apaneti. (pp.) apanītamiñja.

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

snying po

[translation-san] {LCh,C,MSA} garbha ({C}=madhya)

[translation-san] {LCh,L,MSA} sāra

[translation-san] {C} asāratā

[translation-san] {MSA,C} varti

[translation-san] {L,MSA} maṇḍa

[translation-eng] {Hopkins} essence; {T} matrix

[translation-eng] {C} enshrining; womb; embryo; place; seat; core; substance; substantial excellence; lack of a core; unsubstantiality; wick

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary