Proper noun
Lughnasadh
A Gaelic/Celtic holiday celebrated on the full moon nearest the midpoint between the summer solstice and autumnal equinox, during the time of the harvesting.
However, Lughnasadh itself is a celebration of Lugh's triumph over the spirits of the Otherworld who had tried to keep the harvest for themselves. Source: Internet
It was one of four Gaelic seasonal festivals: Samhain (~1 November), Imbolc (~1 February), Beltane (~1 May) and Lughnasadh (~1 August). Source: Internet
"The Wiccan Rede" in White Dragon magazine, Lughnasadh 2003 Robert Mathiesen repeats Bott's objection to "ye", but argues that most other archaisms are used correctly. Source: Internet