Where does “petrosquamous” come from?

petrosquamous (English) comes from English squamous, from Latin squāmōsus, from Latin -ōsus, from Old Latin -ōssus.

petrosquamous (English): Relating to the petrous and squamous parts of the temporal bone

Definitions

  1. Relating to the petrous and squamous parts of the temporal bone

Ancestry of “petrosquamous”, step by step

StepLanguageWordMeaning
1EnglishsquamousCovered with, made of, or resembling scales;...
2Latinsquāmōsusscaly
3Latin-ōsusose, -ous, -ful (full of or overly prone to)
4Old Latin-ōssus—
Every word from Old Latin -ōssus →Every word from Latin -ōsus →Every word from Latin squāmōsus →