Koḷikā (or kolika?) (feminine) = adjective = kolaka, applied to boils, in pīḷikoḷikā (itthi) having boils of jujube size Thig 395 (explained at Thig-a 259; akkhidalesu nibbattanakā pīḷikā vuccati).
(fem, fem, from kola) jujube fruit; Ziziphus jujuba Construction: kola > koḷa + ikā