excreate
To spit out; to discharge from the throat by hawking and spitting.
obsolete
In the washing his mouth with a syringe forcibly, I put him upon excreating a great quantity of a filthy matter
Where it comes from
From Latin excreare, exscreare, from ex (“out”) + screare (“to hawk”).
Adapted from the Wiktionary entry excreate (CC BY-SA 4.0).