See alternative traditional spellings under badhbhdhún in Foclóir Uí Dhuinnín: http://www.scriobh.ie/Page.aspx?id=26&l=1Archived 12 April 2020 at the Wayback Machine. The standard modern spelling is bábhún: Ó Domhnaill, Niall (eag.), Foclóir Gaeilge Béarla, Baile Átha Cliath: Oifig an tSoláthair (1977), p. 73.
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See alternative traditional spellings under badhbhdhún in Foclóir Uí Dhuinnín: http://www.scriobh.ie/Page.aspx?id=26&l=1Archived 12 April 2020 at the Wayback Machine. The standard modern spelling is bábhún: Ó Domhnaill, Niall (eag.), Foclóir Gaeilge Béarla, Baile Átha Cliath: Oifig an tSoláthair (1977), p. 73.