folach
Definitions (by source)
[N. 55] hiding; gs. as adj. folaigh hidden 425, 1553.
Duanaire Mhéig Uidhir: The poembook of Cú Chonnacht Mág Uidhir, Lord of Fermanagh 1566-1589. Editor: David Greene. Translator: David Greene.
m., act of hiding, covering, 5597, 5734, 8700, 9633; i. bhf., ‘hidden, 7318
Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Editor: Osborn Bergin.