μνῆστις
From LSJ
Ἅγιος ὁ Θεός, Ἅγιος ἰσχυρός, Ἅγιος ἀθάνατος, ἐλέησον ἡμᾶς → holy God, holy Mighty, holy Immortal, have mercy on us
English (LSJ)
Dor. and Aeol. μνᾶστ-, ιος, ἡ,
A remembrance, recollection, heed, οὐδέ τις ἡμῖν δόρπου μνῆστις ἔην Od.13.280; ἔστι παρέντων μνᾶστιν ἐπιθέσθαι Alcm.64; ἀλλ' ἴσχε κἀμοῦ μ. S.Aj.520, cf. 1269; ὅτου . . ἀπορρεῖ μ. ib.523; μνᾶστίν τινος παρέχειν τινί Theoc.28.23; οὕτω δὴ Γέλωνος μνῆστις γέγονε then you bethought yourselves of Gelon, Hdt.7.158. II memory, fame, Simon.4.3.