Middle English word bacon comes from Proto-Indo-European *bʰeg-, Proto-Germanic *baką (Back, rear.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *bʰeg- | Proto-Indo-European (ine-pro) | |
| *baką | Proto-Germanic (gem-pro) | Back, rear. |
| *bakkô | Proto-Germanic (gem-pro) | |
| *bakkō | Frankish (frk) | |
| *bakō | Frankish (frk) | Ham, flitch. |
| baco | Latin (lat) | (Medieval Latin) flitch of bacon. |
| bacun | Old French (fro) | |
| bacon | Anglo-Norman (xno) | |
| bacon | Middle English (enm) |