Irish edit

Etymology edit

From féith +‎ ciúin.

Adjective edit

féithchiúin (genitive singular masculine féithchiúin, genitive singular feminine féithchiúine, plural féithchiúine, comparative féithchiúine)

  1. calm, still, unruffled

Declension edit

Mutation edit

Irish mutation
Radical Lenition Eclipsis
féithchiúin fhéithchiúin bhféithchiúin
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Further reading edit