Etymology Map
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Realm

3 stages from Latin to English.

Today it means a kingdom; a field of activity

Where does the word "realm" come from? It comes from Latin regimen, passing through Old French before entering English (1300s).

1
Stage 1 of 3
regimen
Latin · ancient
"rule, government"
from 'regere', to rule
2
Stage 2 of 3
reialme
Old French · medieval
"kingdom"
blended with 'reial', royal
3
Stage 3 of 3
realm
English · 1300s
"kingdom"
used figuratively for any domain
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Read the full story

Realm’s story begins in Latin: regimen meant “rule, government.” From 'regere', to rule. By medieval, the word had taken hold in Old French as reialme. Blended with 'reial', royal. It reached English by 1300s as realm. Used figuratively for any domain. Today, realm means a kingdom; a field of activity.