Where does “sinne” come from?
sinne (Scottish Gaelic) comes from Scottish Gaelic sinn, from Old Irish sinni, from Old Irish sisni, from Old Irish snisni, from Proto-Celtic snisni, from Proto-Celtic snīs, from Proto-Indo-European nō̆s — we.
sinne (Scottish Gaelic): emphatic of sinn
Ancestry of “sinne”, step by step