The story
- Proto-Germanic · inherited from*inngangaz
- Old English · inherited fromingang
- Middle English · inherited fromingang“entrance”
- English todayingang
From Middle English ingang (“entrance”), from Old English ingang, from Proto-Germanic *inngangaz, equivalent to in- + gang. Cognate with Dutch ingang (“entryway”), Old High German ingang (“entrance”) (German Eingang), Swedish ingång (“entrance”), Danish indgang (“entrance, entryway”). More at in, gang.
Etymology from Wiktionary, CC BY-SA 4.0.