Where does “tigern” come from?

tigern (Old Irish) comes from Proto-Celtic tigernos, from Proto-Celtic -īnos, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

Ancestry of “tigern”, step by step

StepLanguageWordMeaning
1Proto-Celtictigernoslord, ruler
2Proto-Celtic-īnosOf or pertaining to; -ine
3Proto-Indo-European-iHnosCreates adjectives of materials
4Proto-Indo-European-no-adjectival suffix

Words derived from “tigern”

Every word from Proto-Indo-European -no- →Every word from Proto-Celtic -īnos →Every word from Proto-Celtic tigernos →