τριετηρίς

A. triennial festival, i. e. celebrated every third year (inclusively), = in alternate years, Pi. N. 6.40, IG 22.1672.258,262, OGI 51.27 (Egypt, iii B. C.), 299.17, 331.8 (both Pergam., ii B. C.), IG 12(1).730.15 (Camirus, ii/i B. C.): pl., Hdt. 4.108, E. Ba. 133 (lyr.), Pl. Lg. 834e; in full, τ. θυσίαι D.S. 4.3; τ. ἑορταί Artem. 4.39.

2. (sc. περίοδος) cycle or period of three (two) years, h.Hom. 1.11, Arist. Pol. 1308b1, IG 12(1).155.50 (Rhodes, ii B. C.), PGrenf. 2.69.22 (iii A. D.): so τ. ὧραι Orph. H. 54.3.

3. γυναῖκες τ. celebrating the triennial festival, Opp. C. 4.235.