Middle English word bat comes from Proto-Indo-European *bʰoyd-, Proto-Indo-European *bū-, Proto-Indo-European *bhau(t)-, Old English batt, and later Proto-Germanic *baitaz (Boat, ship.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *bʰoyd- | Proto-Indo-European (ine-pro) | |
| *bū- | Proto-Indo-European (ine-pro) | |
| *bhau(t)- | Proto-Indo-European (ine-pro) | |
| batt | Old English (ang) | |
| *baitaz | Proto-Germanic (gem-pro) | Boat, ship. |
| *baitō | Proto-Germanic (gem-pro) | That which is or can be bitten; food; bait. |
| battuere | Latin (lat) | |
| bāt | Old English (ang) | |
| batto | Latin (lat) | |
| battō | Late Latin (LL) | |
| batto | Late Latin (LL) | |
| battere | Late Latin (LL) | |
| batre | Old French (fro) | To beat; to hit; to strike. |
| batte | Old French (fro) | |
| batte | Middle English (enm) |