Definition of "arter"

His right name was Compeyson; and that's the man, dear boy, what you see me a-pounding in the ditch, according to what you truly told your comrade arter I was gone last night.

1860 December – 1861 August, Charles Dickens, chapter III, in Great Expectations […], volumes (please specify |volume=I to III), London: Chapman and Hall, […], published October 1861

It was the money left me, and the gains of the first few year wot I sent home to Mr. Jaggers - all for you - when he first come arter you, agreeable to my letter.

1860 December – 1861 August, Charles Dickens, chapter XXXIX, in Great Expectations […], volumes (please specify |volume=I to III), London: Chapman and Hall, […], published October 1861

"Is he asleep at last?"..."Aye, sir. So 'e should, arter what I put in 'is Madeira!"

2000, Alexander Kent, Colours Aloft!, McBooks Press, page 115