
1) Hero in mythology and legend
Found on
https://www.crosswordclues.com/clue/eachtach

Eachtach (Ireland) was the daughter of Diarmuid Ua Duibhne and Gráinne. In The Pursuit of Diarmuid and Gráinne the High King Cormac mac Airt promises the aging Fionn mac Cumhail his daughter Gráinne as a bride, but Gráinne falls in love instead with Diarmuid Ua Duibhne. The pair runs away together with Fionn in pursuit. The lovers are aided by...
Found on
http://en.wikipedia.org/wiki/Eachtach
No exact match found.