fillidh
Definitions (by source)
[V. 71] bends, turns, turns back; pres. 3 s. dá bhfill 2855; pass. fa bhfillter.
Duanaire Mhéig Uidhir: The poembook of Cú Chonnacht Mág Uidhir, Lord of Fermanagh 1566-1589. Editor: David Greene. Translator: David Greene.