Where does “heptapetalous” come from?

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

heptapetalous (English): Having seven petals

Definitions

  1. Having seven petals

Ancestry of “heptapetalous”, step by step

heptapetalous 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 hepta

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