The story
- Proto-Indo-European*h₂éd
- Proto-Italic*ad
- Proto-Italic*ad-
- Latinad-
- Proto-Italic*kezdō
- Latincēdō
- Latinaccēdō
- Latinaccessit
- English todayaccessit
Learned borrowing from Latin accessit (“he came near”), from accēdō (“approach”) + -it.
Etymology from Wiktionary, CC BY-SA 4.0.