hetaeria
Could not find hetaerias in Logeion dictionaries.
hetaerias Noun: feminine accusative plural of hetaeria
hĕtaerĭa, ae, f., = ἑταιρία,
- a (religious) brotherhood, fraternity, Traj. ap. Plin. Ep. 10, 43, 1; id. ib. 10, 97, 7.
hetaeria, ae, f. (ἑταιρία), die Verbrüderung, Verbindung, bes. zu religiösen Zwecken, rein lat. sodalitas, Traian. in Plin. ep. 10, 34 (43), 1. Plin. ep. 10, 96 (97), 7.
hĕtærĭa, (15) æ, f. (ἑταιρία), confrérie, collège, société : Plin. Min. Ep. 10, 96, 7.