Grennan

G2R1E1N1N1A1N1

proper noun

A surname from Irish.

OriginOld French grenon ← Vulgar Latin *granonem ← Frankish *granu →
UncommonScrabble 8
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Meanings

proper nounGrennan (plural Grennans)

plural Grennans

  1. A surname from Irish.

Origin

  1. Proto-Germanic*granō“awn, beard-hair, hair-tips, mustache”
  2. Frankish*granu
  3. Vulgar Latin*granonem“facial hair, mustache”
  4. Old Frenchgrenon“mustache”
  5. EnglishGrennan

* 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.

More words from Old French, Vulgar Latin, Frankish

Full word history & related roots →
Cite this entry
APA

Grennan. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Grennan

MLA

“Grennan.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Grennan. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Grennan,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Grennan.

Source: Grennan on Wiktionary, CC BY-SA 4.0.