Where does “Alphaproteobacteria” come from?

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

Alphaproteobacteria (Translingual): class

Definitions

class

Ancestry of “Alphaproteobacteria”, step by step

Step	Language	Word	Meaning
1	Translingual	alpha-	Used to differentiate genera of viruses
2	English	alpha	The name of the first letter of the Greek...
3	Ancient Greek	ἄλφα	alpha, the name for the first letter Α, α of the...
4	Phoenician	𐤀𐤋𐤐	thousand; bull, ox, head of cattle
5	Proto-Semitic	*ʔalp-	thousand

Every word from Proto-Semitic *ʔalp- →Every word from Phoenician 𐤀𐤋𐤐 →Every word from Ancient Greek ἄλφα →