Alternative form of arse is gone right out of 'er

made in imitation; artificial, especially of a poor quality

something made in imitation; an effigy or substitute

(dated, sometimes offensive) Either of the Gaelic languages of Ireland and Scotland.

(dated, sometimes offensive) Connected with Ireland or the Highlands of Scotland, or to the Gaelic languages spoken in those places.

Formerly; in the past.

(literary, law) Former, previous. / (proscribed) Respected, honourable.

(obsolete) First.

(obsolete) First of all, before (some other specified thing). / (obsolete) Sooner (than); before. / (archaic, poetic) Formerly, once, erstwhile.

plural of erster