Borrowed from Breton korrigan, from korr (“dwarf”) +‎ -ig (diminutive suffix) +‎ -an (hypocoristic suffix).

korrigan (plural korrigans)

1. (mythology) A long-haired nocturnal and often malevolent Breton fairy princess.
   • 1945, J.R.R. Tolkien, The Lay of Aotrou and Itroun, HarperCollins, published 2019, →ISBN, page 9:

     A continental Celtic female fairy called a corrigan, malevolent, sometimes seductive.

From korr (“dwarf”) +‎ -ig (diminutive suffix) +‎ -an (hypocoristic suffix).

korrigan m (plural korriganed)

1. (mythology) korrigan
2. (humorous) a short person

• IPA^(key): /kɔ.ʁi.ɡɑ̃/

korrigan m (plural korrigans, feminine korrigane)

1. (mythology) korrigan

• “korrigan”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012