προστατικῶς

From LSJ

ἄλογον δὴ τὸ μήτε μάχης ἄρξασθαι μήτε τοὺς φίλους φυλάξαι, ἐὰν ὑπό γε τῶν βαρβάρων ἀδικῆσθε → It is irrational neither to begin battle nor to guard the friends, if you are ever wronged by the foreigners

Source

Russian (Dvoretsky)

προστᾰτικῶς: по-начальнически, т. е. важно, пышно (σεμνῶς καὶ π. Polyb.).