The derivation of "factor" is from Latin, through French and Middle English.
When numbers are mixed up you only neede to find the middle number and thats what medien means!
Maths (mathematics) is matamaitic.
Middle value
maths/mathematics = mathématiques
it is the line in the middle of the crosses
Mathemetics
Pāngarau.
matehmateics
Ganeet
greek
Another word for probability.