ἀμμίξας
From LSJ
καὶ τὸ σιγᾶν πολλάκις ἐστὶ σοφώτατον ἀνθρώπῳ νοῆσαι → and silence is often the wisest thing for a man to heed, and often is man's best wisdom to be silent, and often keeping silent is the wisest thing for a man to heed
French (Bailly abrégé)
part. ao. poét. de ἀναμίγνυμι.
Russian (Dvoretsky)
ἀμμίξας: эп. part. aor. к ἀναμίγνυμι.