Where does “cartóit” come from?

cartóit (Old Irish) comes from Latin cāritās, from Latin -tās, from Proto-Indo-European -teh₂ts, from Proto-Indo-European -teh₂, from Proto-Indo-European -tós — Creates verbal adjectives from verb stems.

Ancestry of “cartóit”, step by step

StepLanguageWordMeaning
1Latincāritāsdearness
2Latin-tāsty, -dom, -hood, -ness, -ship
3Proto-Indo-European-teh₂tsUsed to form nouns representing state of being
4Proto-Indo-European-teh₂Used to form nouns representing state of being
5Proto-Indo-European-tósCreates verbal adjectives from verb stems
Every word from Proto-Indo-European -tós →Every word from Latin -tās →Every word from Latin cāritās →