Where does “éascaí” come from?

éascaí (Irish) comes from Old Irish éscaide, from Old Irish éscae, from Proto-Celtic *eiskyom.

éascaí (Irish): lunar

Definitions

Step	Language	Word	Meaning
1	Old Irish	éscaide	—
2	Old Irish	éscae	moon; lunar month
3	Proto-Celtic	*eiskyom	—

éascaí — Etymology, Origin & Word History | Etymology Explorer