Definition of "Jehu"

Now Azaēlos, the king of Syria, made war on the Israelites and their king Jehu, and ravaged the eastern parts of the country across the Jordan […] spreading fire everywhere and plundering everything and inflicting violence on all who fell into his hands.

1937, Josephus, Ralph Marcus, transl., chapter VIII, in Josephus: With an English Translation (Loeb Classical Library), volume VI (Jewish Antiquities), London: William Heinemann Ltd.; Cambridge, Mass.: Harvard University Press, published 1958, book IX, paragraph 1, page 87

‘Are you sure, Atherton, that there is no one at the back?’‘Of course I’m sure, — you can go and see for yourself if you like; do you think I’m blind? Jehu’s drunk.’ Throwing up the sash he addressed the driver. ‘What do you mean with your old gent at the window? — what window?’

1897, Richard Marsh, The Beetle