θυστάς
From LSJ
τοῖς ὕδασι σύντροφα τῶν ἐκ γῆς ἀναβλαστανόντων → which jointly with water nourish growing plants
English (LSJ)
άδος, ἡ, (θύω A)
A 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, E.Fr.1101.