Etymology

arrant

ar·rant
A1R1R1A1N1T1

Today it means: Complete; downright; utter. Full definition →

Middle English erraunt ← Anglo-Norman erraunt ← Old French errant
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The story

  1. Proto-Indo-European · derived from*h₁ers-“to flow”
  2. Latin · derived fromerrāns“straying, errant; wandering”
  3. Proto-Indo-European · derived from*h₁ey-“to go”
  4. Latin · derived fromiter“a route (including a journey, trip; a course; a path; a road)”
  5. Vulgar Latin · derived fromiterō
  6. Old French · derived fromerrant
  7. Anglo-Norman · derived fromerraunt
  8. Middle English · inherited fromerraunt
  9. English todayarrant

A variant of errant, from Middle English erraunt [and other forms], from Anglo-Norman erraunt, from Old French errant, the present participle of errer (“to walk (to); to wander (to); (figuratively) to travel, voyage”), and then: * from Vulgar Latin iterō (compare Late Latin itinerō, itineror (“to travel, voyage”)), from Latin iter (“a route (including a journey, trip; a course; a path; a road)”), ultimately from Proto-Indo-European *h₁ey- (“to go”); and * from Latin errāns (“straying, errant; wandering”), the present active participle of errō (“to rove, wander; to get lost, go astray; to err, wander from the truth”), ultimately from Proto-Indo-European *h₁ers- (“to flow”). The original sense was sense 3 (“roving around, wandering”). Due to the word being used to describe disreputable persons who wandered about (for example, arrant knave and arrant thief), it came to be used as an intensifier (sense 1: “complete; downright; utter”) and to have a negative meaning (sense 2: “very bad; despicable”).

Words from the same roots

Middle Englisherraunt all →

erranterrantry

Anglo-Normanerraunt all →

Old Frencherrant all →

Latiniter all →

itereyreerrant

Proto-Indo-European*h₁ey- all →

obituaryeiderrantambititiveintroitJaniculum

Etymology from Wiktionary, CC BY-SA 4.0.