τόνωσις
From LSJ
εἰ μὴ προσέθηκα καὶ κατεσιώπησα ψυχήν μου, ὡς τὸ ἀπογεγαλακτισμένος ἐπὶ μητέρα αὐτοῦ → surely I have calmed and quieted my soul like a weaned child on its mother's shoulder
English (LSJ)
εως, ἡ,
A strengthening, bracing, Aret.CD1.3; τοῦ βρέφους Sor.1.95; τοῦ πνεύματος ib.108; activity, force, Ruf. ap. Orib.8.24.19: abs., 'tone', Apollon. ap. Orib.7.19.1. 2 vehemence in rhetoric, τονώσεις καὶ περιπαθήσεις Ph.1.158. II accentuation, Eust.341.21.
German (Pape)
[Seite 1127] ἡ, das Spannen, Anstrengen, Sp., bes. das Verstärken des Tons, oder das Setzen des Tons od. Tonzeichens, das Betonen, Accentniren, Gramm.