"Sl\u00E1n agat was a Gaelic language term for \"goodbye\". Hikaru Sulu offered this farewell to Montgomery Scott in the year 2294, who also responded with \"sl\u00E1n agat\". (TOS novel: The Fearful Summons)"@en . . "Sl\u00E1n agat was a Gaelic language term for \"goodbye\". Hikaru Sulu offered this farewell to Montgomery Scott in the year 2294, who also responded with \"sl\u00E1n agat\". (TOS novel: The Fearful Summons)"@en . . . "Sl\u00E1n agat"@en .