compound verb
Definition - The union of a simple verb with a particle .

Example -

(1) arise (a + rise)
(2) bespeak (be + speak).

Oxford English Dictionary -
The term's first citation is from 1772:
"I am at a loss in what class to place compound verbs, whether in that of thoughtless chance, or of judicious accommodation."
(A. Bayly, Gram. Eng. Lang. 76, )

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