Where does “fictivus” come from?

fictivus (New Latin) comes from Latin -ivus, from Proto-Indo-European -iHwós, from Proto-Indo-European -wós — Creates adjectives from verb stems.

Ancestry of “fictivus”, step by step

StepLanguageWordMeaning
1Latin-ivusAdjective suffix
2Proto-Indo-European-iHwós
3Proto-Indo-European-wósCreates adjectives from verb stems

Words derived from “fictivus

Every word from Proto-Indo-European -wósEvery word from Latin -ivusEvery word from Proto-Indo-European -iHwós