English
concur
Concur comes from Latin concurro ‘to run together, agree’, and goes back to Proto-Indo-European *ḱers-.
- Proto-Indo-Europeanc. 4500–2500 BCE*ḱers-1‘to run’reconstructed
- Proto-Indo-Europeanc. 4500–2500 BCE*ḱr̥séti1reconstructed
- Proto-Italicc. 1500–700 BCE*korzō1‘to run’reconstructed
- Latinc. 75 BCE–200 CEcurrō1‘to run’
- Latinc. 75 BCE–200 CEconcurro1‘to run together, agree’
- Englishtodayconcur1
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, English concur
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*ḱers-Wiktionary, English concur‘to run’reconstructed
- Proto-Indo-Europeanc. 4500–2500 BCE*ḱr̥sétiWiktionary, English concurreconstructed
- Proto-Italicc. 1500–700 BCE*korzōWiktionary, English concur‘to run’reconstructed
- Latinc. 75 BCE–200 CEcurrōWiktionary, English concur‘to run’
- Latinc. 75 BCE–200 CEconcurroWiktionary, English concur‘to run together, agree’
- EnglishtodayconcurWiktionary, English concur
Linked words
through Proto-Indo-European *ḱers- ‘to run’
career, charge, carry, rush, carrier, cargo, hurry, carriage, chariot, intercourse, occurrence, carousel, caricature, recourse, corral, hurrah, recursive, cursory, carrack, 35 more
through Proto-Italic *korzō ‘to run’
corridor, discourse, courier, recurrent, incursion, recursion, 20 more
through Latin currō ‘to run’
course, current, occur, currency, curriculum, precursor, corsair, cursor, incur, hussar, recur, courant, succour, 24 more
through Latin concurro ‘to run together, agree’
Today it means
verb To agree (in action or opinion); to have a common opinion; to coincide; to correspond.
Sources
Sources: Wiktionary, “concur”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / Proto-Indo-European *ḱers- / concur