Where does “loitos” come from?

loitos (Finnish) comes from Finnish -s, from Proto-Finnic -nci, from Proto-Uralic -mte.

Ancestry of “loitos”, step by step

StepLanguageWordMeaning
1Finnish-sForms ordinal numbers from cardinal numbers, or...
2Proto-Finnic-nciForms ordinal numbers from the corresponding...
3Proto-Uralic-mte
Every word from Proto-Uralic -mteEvery word from Finnish -sEvery word from Proto-Finnic -nci