Where does “alphatron” come from?

alphatron (English) comes from English alpha, from Ancient Greek ἄλφα, from Phoenician 𐤀𐤋𐤐, from Proto-Semitic *ʔalp- — thousand.

alphatron (English): A kind of ionization tube for measuring vacuum

Definitions

  1. A kind of ionization tube for measuring vacuum

Ancestry of “alphatron”, step by step

alphatron traces back through two separate lines of ancestry.

via English alpha

StepLanguageWordMeaning
1EnglishalphaThe name of the first letter of the Greek...
2Ancient Greekἄλφαalpha, the name for the first letter Α, α of the...
3Phoenician𐤀𐤋𐤐thousand; bull, ox, head of cattle
4Proto-Semitic*ʔalp-thousand

via English tron

StepLanguageWordMeaning
1EnglishtronObsolete form of trone
Every word from Proto-Semitic *ʔalp-