Where does “bozonenn” come from?

bozonenn (Breton) comes from Breton bozon, from English boson, from English -ön, from English -one, from English ketone, from German Keton, from German Aketon, from French acétone — Forms adjectives from nouns, indicating the possession of a thing or a quality.

Ancestry of “bozonenn”, step by step

StepLanguageWordMeaning
1Bretonbozonbosons
2EnglishbosonA particle with totally symmetric composite...
3English-önForming nouns denoting subatomic particles and quanta
4English-onea ketone; any similar compound containing a...
5EnglishketoneA homologous series of organic molecules whose...
6GermanKetonketone
7GermanAketonacetone
8Frenchacétoneacetone
9Latinacētumvinegar
10French-ateate
11Latin-ātused
12Proto-Italic-ātos
13Proto-Indo-European-éh₂tosForms adjectives from nouns, indicating the possession of a thing or a quality
Every word from Proto-Indo-European -éh₂tos