Definition of "quitted"

He quitted the militia and engaged in trade, having brothers already established in a good way in London, which afforded him a favourable opening.

1815 December (indicated as 1816), [Jane Austen], chapter II, in Emma: […], volume I, London: […] [Charles Roworth and James Moyes] for John Murray, page 25

Casting my eyes about, I beheld no living object; but was sensible of a very peculiar stirring far below me, amongst the whispering rushes of the pestilential swamp I had lately quitted.

1941, Chapman Miske, The Thing in the Moonlight