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traitor

/ˈtɹeɪtə(ɹ)/

One who betrays trust, loyalty, or country

From Latin trans (across) + Latin da (give).

noun
adjective
verb
trans
Latin
AI-inferred
trāns
prefix meaning 'across, beyond'
Old French
Verified
tra-
element retained in forms like trahir / traison

from Old French traitor , traitre "traitor, villain, deceiver" (11c., Modern French traître )

+1 more source
da
Proto-Indo-European
Verified
*dhe-
reconstructed
reconstructed root meaning 'to set, put'

from PIE root *dhe- "to set, put"). The English word was originally usually with a suggestion of Judas Iscariot. The...

Latin
AI-inferred
dare
to give
Latin
AI-inferred
trādere
to hand over, deliver, betray
Latin
Verified
traditor
betrayer; literally 'one who hands over'

from Latin traditor "betrayer," literally "one who delivers" (source also of Spanish traidor , Italian traditore ; the...

+1 more source
Combined
traditor → Old French traitor → Middle English traitor
The idea is 'handing someone over across a boundary of trust'—a betrayal made physical
Middle English
Verified
traitor
often colored by the biblical figure of Judas

from Old French traitor , traitre "traitor, villain, deceiver" (11c., Modern French traître )

+1 more source
Modern English
Verified
traitor
expanded from political treason to any serious betrayal

from Old French traitor , traitre "traitor, villain, deceiver" (11c., Modern French traître )

+1 more source
Modern English
traitor

This word starts life as a handoff gone rotten. In Latin, trādere meant “to hand over,” built from trāns, “across,” plus dare, “to give,” so the original idea was almost mundane—passing something from one person to another. But once a thing can be handed over, it can also be surrendered, and then, with one nasty twist, betrayed; that’s how Latin traditor became a “betrayer,” and medieval English heard in it the shadow of Judas. The same family gives us treason and tradition, which is a wild pair: one is the crime of giving a kingdom away, the other is the handing down of beliefs and customs. So a traitor is not just someone who lies; he’s someone who takes the ordinary act of giving and makes it poisonous, like a handshake that turns into a knife.

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