Where does “inexstinctus” come from?

inexstinctus (Latin) comes from Latin exstinctus, from Latin exstinguo, from Latin stinguo, from Proto-Italic *stengʷō — to push.

Ancestry of “inexstinctus”, step by step

StepLanguageWordMeaning
1Latinexstinctusquenched, extinguished; killed, destroyed
2LatinexstinguoI quench, extinguish, put out; I kill, destroy
3LatinstinguoI put out, extinguish
4Proto-Italic*stengʷōto push
Every word from Proto-Italic *stengʷō →Every word from Latin stinguo →Every word from Latin exstinguo →