English word hostility comes from Proto-Indo-European *gʰóstis (Enemy. Guest. Stranger, host.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *gʰóstis | Proto-Indo-European (ine-pro) | Enemy. Guest. Stranger, host. |
| *hostis | Proto-Italic (itc-pro) | Stranger, guest. |
| hostem | Latin (lat) | |
| hostilis | Latin (lat) | Hostile. |
| hostilitas | Latin (lat) | Hostility, enmity. |
| hostilité | Middle French (frm) | |
| hostility | English (eng) | (countable) A hostile action, especially a military action. See hostilities for specific plural definition.. (uncountable) The state of being hostile. |