bego

Etymology 1

From Middle English begon, from Old English begān (“to go over, traverse, get to, come by, fall into, go to, visit, care for, cultivate, inhabit, occupy, surround, beset, overrun, practice, do, engage in, perform, attend to, be diligent about, honor, serve, worship, profess”), from Proto-Germanic *bi + *gāną, corresponding to be- + go. Cognate with Dutch begaan, German begehen, Danish begå.

verb

1. (archaic) To go about; encompass; surround; beset, surround with hostile intent; to overrun.
   Thy prysemen ar sore begone and put undir, for they ar oversette with Sarazens mo than fyve hondred. 1485, Sir Thomas Malory, Le Morte Darthur, Book V
   False love, I bego, I bego. Ere something still worse come down. 1892, Albany Law Journal, volumes 44-45, page 166
2. (obsolete) To clothe, dress.
3. (obsolete except in set phrases) To affect, usually as a good or bad influence, or as a circumstance.
   He was woe begone.

Etymology 2

Back-formation from begone, originally an imperative but now an interjection, construed as a past participle.

verb

1. (rare, humoristic or faux-archaic) To go away, to disappear.
   He bewent speedily, and as he vanished I heard him again calling, " Not she, not she ! Ha, ha ! " 1902, Carolyn Wells, Abeniki Caldwell, page 178
   “Begone!” I shouted. They bewent, asmirking, / And I, awakening, fell straight aworking. 1911, Ambrose Bierce, “A Vision of Climate”, in The Collected Works of Ambrose Bierce, volume 5, //dummy.host/index.php?title=s%3Aen%3APage%3ABierce+-+Collected+Works+-+Volume+05.djvu%2F203 page 199

noun

1. That which besets, surrounds, compasses, or affects; situation; circumstance.
   “As I was passing by a vineyard on the Earth where some of mankind were taking their lunch, I heard them complaining and grumbling about these things they called 'ants'. Oh the woes and begoes of mankind,” smiled the good lord. 2011, Loretto Gubernatis, Dimitrius and the Gladiolas