The story
- Old English · inherited fromwiþgān“to go against, oppose, pass away, vanish, disappear”
- Middle English · inherited fromwithgon“to be in opposition to, vanish”
- English todaywithgo
From Middle English withgon (“to be in opposition to, vanish”), from Old English wiþgān (“to go against, oppose, pass away, vanish, disappear”), equivalent to with- + go.
Etymology from Wiktionary, CC BY-SA 4.0.