Where does “deleterius” come from?

deleterius (Medieval Latin) comes from Ancient Greek δηλητήριος, from Ancient Greek δηλητήρ, from Ancient Greek -τήρ, from Proto-Indo-European -tḗr — Derives agent nouns from verbs, denoting someone...

Ancestry of “deleterius”, step by step

StepLanguageWordMeaning
1Ancient Greekδηλητήριοςharmful, damaging, destructive; mischievous
2Ancient Greekδηλητήρdestroyer
3Ancient Greek-τήρAdded to verb stems to form masculine agent nouns
4Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

Words derived from “deleterius

Every word from Proto-Indo-European -tḗrEvery word from Ancient Greek -τήρEvery word from Ancient Greek δηλητήρ
deleterius — Etymology, Origin & Word History | Etymology Explorer