paronomasia
From LSJ
Μούνη γὰρ ἄγειν οὐκέτι σωκῶ λύπης ἀντίρροπον ἄχθος → I have no longer strength to bear alone the burden of grief that weighs me down
Latin > English (Lewis & Short)
părŏnŏmăsĭa: ae, f., = παρονομασία,
I a figure of speech (pure Lat. agnominatio), Rutil. Lup. 1, 3, p. 11 Ruhnk.