aiféilean

== Irish == === Etymology === From Ancient Greek ἀπό (apó, “from”) + ἥλιος (hḗlios, “sun”) (compare Latin aphelium). === Noun === aiféilean m (genitive singular aiféilin, nominative plural aiféilin) (astronomy) aphelion (the point in the elliptical orbit of a planet, comet, etc., where it is farthest from the Sun) Synonym: cianphointe ó ghrian ==== Declension ==== === Mutation === === Further reading === Ó Dónaill, Niall (1977), “aiféilean”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN de Bhaldraithe, Tomás (1959), “aiféilean”, in English-Irish Dictionary, An Gúm