Etymology

Fenian

Fen·i·an
F4E1N1I1A1N1

Today it means: Of or relating to roving bands of hunter-warriors in ancient Ireland, especially the band led by the hero Fionn mac Cumhaill in Irish mythology; (generally) of or relating to the people of ancient Ireland. Full definition →

Old Irish Féni ← Proto-Indo-European *weǵʰ- ← Irish fian
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The story

  1. Proto-Indo-European · derived from*weyh₁-“to chase, pursue”
  2. Old Irish · derived fromfían
  3. Irish · derived fromfian
  4. Proto-Indo-European · derived from*weǵʰ-“to bring; to transport”
  5. Old Irish · derived fromFéni“originally the legendary people who inhabited Ireland; later the Irish people generally, especially those belonging to the social class of free citizens”
  6. English todayFenian

Partly from both of the following: * from Old Irish Féni (“originally the legendary people who inhabited Ireland; later the Irish people generally, especially those belonging to the social class of free citizens”, plural); further etymology uncertain, possibly ultimately from Proto-Indo-European *weǵʰ- (“to bring; to transport”) (whence wagon and wain; referring to the use of chariots); and * from Irish fian, fiann (“roving band of (legendary) warrior-hunters”) (generally a view taken by English-speaking scholars, possibly due to the similarity between Old Irish Féni and Irish féine, féinne, the genitive singular forms of fian and fiann), from Old Irish fían, ultimately from Proto-Indo-European *weyh₁- (“to chase, pursue”); + English -ian (suffix forming adjectives with the sense ‘from; related to’; and forming nouns with the sense ‘one from or related to’). The adjective is attested slightly earlier than the noun.

Words from the same roots

Proto-Indo-European*weǵʰ- all →

wayviaweightwavevogueweywawvexationwidge

Proto-Indo-European*weyh₁- all →

vimvindicationvoivodeship

Etymology from Wiktionary, CC BY-SA 4.0.