jīvita and jīvitindriya: 'Life, vitality', may be either physical (rūpa-jīvitindriya) or mental (nāma-jīvitindriya). The latter is one of the mental factors inseparably associated with all consciousness; cf. nāma, cetanā, phassa.

Buddhist Dictionary, Manual of Buddhist Terms and Doctrines, by NYANATILOKA MAHATHERA

命根