Where does “tetrapetalous” come from?

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

tetrapetalous (English): Containing four distinct petals

Definitions

  1. Containing four distinct petals

Ancestry of “tetrapetalous”, step by step

tetrapetalous 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 tetra

StepLanguageWordMeaning
1EnglishtetraAny of numerous species of small South American...
2TranslingualTetragonopterus
3Ancient Greekπτερόνfeather; wing; Any winged creature
4Proto-Indo-Europeanpéth₂r̥wing; feather
5Proto-Indo-Europeanpeth₂-to spread out; to fly
Every word from Old Latin -ōssusEvery word from Latin -ōsusEvery word from English -ous