Where does “bitūminō” come from?

bitūminō (Medieval Latin) comes from Latin -ō, from Proto-Indo-European -ō — Derives nouns from roots.

Ancestry of “bitūminō”, step by step

StepLanguageWordMeaning
1Latin-ōsuffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
2Proto-Indo-European-ōDerives nouns from roots

Words derived from “bitūminō”

Every word from Proto-Indo-European -ō →Every word from Latin -ō →