Where does “pentapetalous” come from?

pentapetalous (English) comes from English petalous, from English -ous, from Middle English -ous, from Old French -us, from Latin -ōsus, from Old Latin -ōssus.

pentapetalous (English): Having five petals

Definitions

  1. Having five petals

Ancestry of “pentapetalous”, step by step

pentapetalous traces back through two separate lines of ancestry.

via English petalous

StepLanguageWordMeaning
1EnglishpetalousHaving petals
2English-ousUsed to form adjectives from nouns, to denote...
3Middle English-ous
4Old French-us-ous, used for forming adjectives
5Latin-ōsusose, -ous, -ful (full of or overly prone to)
6Old Latin-ōssus

via English penta

StepLanguageWordMeaning
1Englishpenta
Every word from Old Latin -ōssusEvery word from Latin -ōsusEvery word from English -ous