Where does “ard-vainshtyrys” come from?
ard-vainshtyrys (Manx) comes from Manx ard-vainshtyr, from Manx mainshtyr, from Old Irish magister, from Latin magister, from Proto-Italic magisteros, from Proto-Indo-European méǵh₂isteros, from Proto-Indo-European méǵh₂s — big, great.
ard-vainshtyrys (Manx): headmastership
Ancestry of “ard-vainshtyrys”, step by step