eachd
Definitions (by source)
condition, term; ar e., on condition (that), 1442; ar an n-e. ccēdna, similarly, 1813.
An Teagasg Críosdaidhe. Editor: Fearghal Mac Raghnaill, O.F.M.
ar e., on condition, 2670, 6951.
Scáthán Shacramuinte na hAithridhe. Editor: Cainneach Ó Maonaigh O.F.M.