(third-person singular simple present atgoes, present participle atgoing, simple past atwent, past participle atgone)
From Middle English atgon, from Old English ætgān (“to go away, disappear”), equivalent to at- + go.
"atgo." YourDictionary, n.d. Web. 15 May 2018. <http://www.yourdictionary.com/atgo>.
atgo. (n.d.). Retrieved May 15th, 2018, from http://www.yourdictionary.com/atgo