ānantarika : [adj.] immediately following.

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

Ānantarika (& ˚ya) [fr. an + antara + ika] without an interval, immediately following, successive Vin i.321; ii. 212; Pug 13; Dhs 1291.
   -- kamma "conduct that finds retribution without delay" (Kvu trsl. 275 n. 2) Vin ii.193; J i.45; Kvu 480; Miln 25 (cp. Dhs trsl. 267); Vism 177 (as prohibiting practice of kammaṭṭhāna).

Pali-English Dictionary, TW Rhys Davids, William Stede,