θυστάς · thystas — LSJ
sacrificial, uttered in sacrificing, accompanying a sacrifice
sacrificial, θ. βοή the cry uttered in sacrificing, A. Th. 269; θ. λιταί the prayers accompanying a sacrifice, S. Ant. 1019.
II
as Subst., = θυτήρ, Sch. Opp. H. 5.417;= θυιάς, Hsch.
2 sacrificial robe
sacrificial robe, E. Fr. 1101.