sidDya
siddhya, sidhya , adj. (to Skt. siddha or siddhi plus ya?), leading to or concerning success : siddhya-dravyāṇi vā sarvāṇi labhate Mmk 107.4 (prose; sc. , as result of a magic rite); śiṣyagaṇaiḥ svakaiḥ parivṛto 'haṃ pūja jane sadātra cala sidhya RP 30.4 ( vs ); sidhya seems to be for °yā, n. sg. f. , with pūja (= pūjā), tho it is very strange to find a for ā at the end of a line.