Where does “heptatomic” come from?

heptatomic (English) comes from English atomic, from English -ic, from English image, from French image, from Portuguese imagem, from Spanish imagen, from Italian immagine, from Latin imāginem — in.

heptatomic (English): Composed of seven atoms

Definitions

  1. Composed of seven atoms

Ancestry of “heptatomic”, step by step

heptatomic traces back through two separate lines of ancestry.

via English atomic

StepLanguageWordMeaning
1EnglishatomicOf or relating to atoms; composed of atoms;...
2English-icUsed to form adjectives from nouns with the...
3EnglishimageAn optical or other representation of a real...
4Frenchimagepicture, image; frame; first-person singular...
5Portugueseimagemimage; picture; figure; image; image; face
6Spanishimagenimage
7Italianimmagineimage; imago
8Latinimāginem
9Latinim-Alternative form of in-; form of "in"; in
10Latinīn-un-, non-, not
11Latinînin, at, on, upon, from (space)
12Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
13Proto-Italicenin
14Proto-Indo-Europeanh₁énin

via English hepta

StepLanguageWordMeaning
1Englishheptaseven
Every word from Proto-Indo-European h₁én