sin-seanathair

== Irish == === Etymology === sin- (“great”) +‎ sean- (“old”) +‎ athair (“father”) === Pronunciation === IPA(key): /ˈʃinʲʃanˠahəɾʲ/ === Noun === sin-seanathair m (genitive singular sin-seanathar, nominative plural sin-seanaithreacha) great-grandfather Synonym: garathair m ==== Declension ==== === Mutation ===