Where does “tardyon” come from?

tardyon (English) comes from English tardy, from English tardive, from French tardif, from Old French tardif, from Latin tardīvus, from Latin -īvus, from Proto-Indo-European -iHwós, from Proto-Indo-European -wós — Creates adjectives from verb stems.

tardyon (English): Any particle with non-zero mass

Definitions

  1. Any particle with non-zero mass

Ancestry of “tardyon”, step by step

tardyon traces back through two separate lines of ancestry.

via English tardy

StepLanguageWordMeaning
1EnglishtardyLate; overdue or delayed; Moving with a slow pace...
2Englishtardivebelated
3Frenchtardiflate, belated
4Old Frenchtardiflate; not on time
5Latintardīvuslate
6Latin-īvusAdjective suffix
7Proto-Indo-European-iHwós
8Proto-Indo-European-wósCreates adjectives from verb stems

via English tachyon

StepLanguageWordMeaning
1EnglishtachyonA hypothetical particle that travels faster than...
2EnglishtachyTachycardia; Tachypnoea
3Englishtachy-fast
4Ancient Greekταχύςswift, quick, fast, rapid; In a short time: soon
5Proto-Indo-Europeandʰn̥gʰ-
6Proto-Indo-Europeandʰengʰ-to cover; to overcast

Words derived from “tardyon

Every word from Proto-Indo-European -wósEvery word from Latin -īvusEvery word from Latin tardīvus
tardyon — Etymology, Origin & Word History | Etymology Explorer