bittersweet

The story

1. Middle English · inherited frombitterswete
2. English todaybittersweet

From Middle English bitterswete, biterswete, equivalent to bitter + sweet. Cognate with Saterland Frisian bitterswäit (“bittersweet”), West Frisian bittersoet (“bittersweet”), Dutch bitterzoet (“bittersweet”), German bittersüß (“bittersweet”), Danish bittersød (“bittersweet”), Swedish bittersöt (“bittersweet”).