béas
Definitions (by source)
‘custom’; dat. pl. ann ar mbhésuibh 3.17
Aibidil Gaoidheilge & Caiticiosma: Seaán Ó Cearnaigh's Irish primer of religion, published in 1571. Editor: Brian Ó Cuív.
[N. 95] nature, hábit; ds. beus 1248.
Duanaire Mhéig Uidhir: The poembook of Cú Chonnacht Mág Uidhir, Lord of Fermanagh 1566-1589. Editor: David Greene. Translator: David Greene.
m., custom, habit; dat. pl. –aibh, ‘morals,’ 831, 1613
Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Editor: Osborn Bergin.