From Old IrishApréil, borrowed from LatinAprīlis.[3] The second syllable of the modern word may be influenced in part by braon(“drop(s) (of rain)”), but at any rate is adapted to the suffix -án.
^ Breatnach, Risteard B. (1947) The Irish of Ring, Co. Waterford: A Phonetic Study, Dublin Institute for Advanced Studies, →ISBN, section 553.2, page 145
^ Dillon, Myles, Ó Cróinín, Donncha (1961) Teach Yourself Irish, Sevenoaks, Kent: Hodder and Stoughton, →ISBN, page 212