Etymology

aculeous

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Today it means: Resembling or pertaining to a needle. Full definition →

Latin aculeus
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The story

  1. Latin · learned borrowing fromaculeus“needle”
  2. English todayaculeous

Learned borrowing from Latin aculeus (“needle”) + -ous.

Words from the same roots

Latinaculeus all →

aculeiformaculeusacultomancy

Etymology from Wiktionary, CC BY-SA 4.0.