Where does “petrificious” come from?

petrificious (English) comes from English -ious, from Latin -ius, from Proto-Italic -jōs, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

petrificious (English): Causing petrification

Definitions

  1. Causing petrification

Ancestry of “petrificious”, step by step

StepLanguageWordMeaning
1English-iousAlternative spelling of -ous; "forming...
2Latin-iusforming adjectives from nouns; nominative neuter...
3Proto-Italic-jōsForms comparative adjectives
4Proto-Indo-European-yósCreates adjectives from noun or verb stems
Every word from Proto-Indo-European -yós →Every word from Latin -ius →Every word from Proto-Italic -jōs →