Etymology

Grennan

G2R1E1N1N1A1N1

Today it means: A surname from Irish. Full definition →

Old French grenon ← Vulgar Latin *granonem ← Frankish *granu
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The story

  1. Proto-Germanic · derived from*granō“awn, beard-hair, hair-tips, mustache”
  2. Frankish · derived from*granu
  3. Vulgar Latin · derived from*granonem“facial hair, mustache”
  4. Old French · derived fromgrenon“mustache”
  5. English todayGrennan

* As an English surname of Norman origin, from Old French grenon (“mustache”), from Vulgar Latin *granonem (“facial hair, mustache”), from Frankish *granu, from Proto-Germanic *granō (“awn, beard-hair, hair-tips, mustache”). * As an Irish surname, variant of Greenan.

Words from the same roots

Vulgar Latin*granonem all →

Algernon

Proto-Germanic*granō all →

Algernon

Etymology from Wiktionary, CC BY-SA 4.0.