sibh
Definitions (by source)
pers. pron. 2 pl. (often 2 s. in meaning) you; disjunctive 496, 1365; with emphatic particle sibhse 2847; conjunctive 656.
Duanaire Mhéig Uidhir: The poembook of Cú Chonnacht Mág Uidhir, Lord of Fermanagh 1566-1589. Editor: David Greene. Translator: David Greene.