Where does “ard-hiarnys” come from?
ard-hiarnys (Manx) comes from Manx ard-hiarn, from Manx çhiarn, from Old Irish tigerna, from Old Irish tigernae, from Old Irish tigern, from Proto-Celtic tigernos, from Proto-Celtic -īnos, from Proto-Indo-European -iHnos — adjectival suffix.
ard-hiarnys (Manx): overlordship
Ancestry of “ard-hiarnys”, step by step