“Some say that anger (menis) is derived from the expression “not one” (“me hen”). For, it deprives contending parties of their ‘oneness’ by setting them apart.”
-Eustathius, Commentary to The Iliad, A.8
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τινὲς δὲ μῆνίν φασι παρὰ τὸ μὴ ἕν• στερεῖ γὰρ τῆς ἑνότητος διϊστῶσα τοὺς ἐρίζοντας.