Where does “ruinos” come from?

ruinos (Old French) comes from Latin ruinosus, from Latin ruīna, from Latin ruō, from Proto-Indo-European h₃rew-, from Proto-Indo-European -w-.

Ancestry of “ruinos”, step by step

StepLanguageWordMeaning
1Latinruinosusruined, tumbledown; ruinous
2Latinruīnaa falling down, collapse, ruin, destruction
3Latinruōto hurry, rush, hasten, move quickly
4Proto-Indo-Europeanh₃rew-to run, to hurry
5Proto-Indo-European-w-—

Words derived from “ruinos”

Every word from Proto-Indo-European -w- →Every word from Proto-Indo-European h₃rew- →Every word from Latin ruō →