Where does “antihelion” come from?

antihelion (English) comes from English helion, from English -ön, from English -one, from English ketone, from German Keton, from German Aketon, from French acétone, from Latin acētum — Forms adjectives from nouns, indicating the possession of a thing or a quality.

antihelion (English): The antiparticle of a helion, consisting of two antiprotons and one antineutron

Definitions

  1. The antiparticle of a helion, consisting of two antiprotons and one antineutron

Ancestry of “antihelion”, step by step

antihelion traces back through two separate lines of ancestry.

via English helion

StepLanguageWordMeaning
1EnglishhelionAny helium ion, the nucleus of any helium atom
2English-önForming nouns denoting subatomic particles and quanta
3English-onea ketone; any similar compound containing a...
4EnglishketoneA homologous series of organic molecules whose...
5GermanKetonketone
6GermanAketonacetone
7Frenchacétoneacetone
8Latinacētumvinegar
9French-ateate
10Latin-ātused
11Proto-Italic-ātos
12Proto-Indo-European-éh₂tosForms adjectives from nouns, indicating the possession of a thing or a quality

via English anti

StepLanguageWordMeaning
1EnglishantiOpposed to something; That has a torsion angle...
2Englishanti-Against, hostile to; Contrasting with the norm;...
3Ancient Greekἀντι-anti-, against; like, reminiscent of
4Ancient Greekᾰ̓ντῐ́opposite
Every word from Proto-Indo-European -éh₂tosEvery word from Latin -ātusEvery word from French -ate