ἀβύσσαιος

From LSJ

ἀγὼν πρόφασιν οὐκ ἐπιδέχεται οὐδὲ φιλία → no excuse is allowed by a contest or by a friendship

Source

Spanish (DGE)

-ον abisal ὕδωρ Anon.Alch.403.1.