English word treason comes from Latin traditio, and later Old French traison (Treason.)
| Dictionary entry | Language | Definition |
|---|---|---|
| traditio | Latin (lat) | (legal) delivery of possession. A saying handed down from earlier times. A surrender, delivering up. A teaching, instruction. |
| traison | Old French (fro) | Treason. |
| treson | Anglo-Norman (xno) | |
| treison | Middle English (enm) | |
| treason | English (eng) | An act of treachery, betrayal of trust or confidence. Providing aid and comfort to the enemy.. The crime of betraying one’s own country. |