bláth, blaith
Definitions (by source)
bláth (137), blaith (136), lios b. 1535; cúirt bh. 1518; bas bhláith-mhéirsheang 1682.
The Book of O'Hara: Leabhar Í Eadhra. Editor: Lambert McKenna S.J.
m., bloom, blossom, flower (or figuratively), 415, 3685, 3799, 9430; pl. –a, 824, 4207, 7587
Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Editor: Osborn Bergin.