γλυκύπικρος
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
English (LSJ)
ον,
A sweetly bitter, Ἔρος . . γ. ὄρπετον Sapph.40, cf. AP5.133 (Posid.), 12.109 (Mel.), Plu.2.681b; of news, 'a gilded pill', Cic.Att.5.21.4; ἡδονή Ph.1.678: later in literal sense, Gal.11.586.
Greek (Liddell-Scott)
γλῠκύπικρος: -ον, μετὰ γλυκύτητος πικρός, ἔρος Σαπφὼ 37· πρβλ. Πλάτ. Φιλ. 46D, E.