Where does “delta” come from?

delta (French) comes from Ancient Greek δέλτα, from Phoenician 𐤃, from Egyptian 𓉿.

delta (French): delta

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	δέλτα	delta, the name for the fourth letter Δ, δ of the...
2	Phoenician	𐤃	dalet; daleth
3	Egyptian	𓉿	—

delta — Etymology, Origin & Word History | Etymology Explorer