iṣṭi 1
iṣṭí f. impulse, acceleration, hurry
• invitation
• order
• despatch RV.

iṣṭi 2
iṣṭí f. seeking, going after RV.
• endeavouring to obtain
• wish, request, desire RV. VS. &c
• any desired object
• a desired rule, a desideratum, a N. applied to the statement of grammarians who are considered as authoritative

iṣṭi 3
íṣṭi f. sacrificing, sacrifice
• an oblation consisting of butter, fruits, &c., opposed to the sacrifice of an animal or Soma RV. i, 166, 14 ; x, 169, 2 ŚBr. ĀśvŚr. Yājñ. Mn. Śak. Ragh. &c