Definition:Prosthaphaeresis/Linguistic Note

Linguistic Note on Prosthaphaeresis
The word prosthaphaeresis or prosthapheiresis is a neologism coined some time in the $16$th century from the two Greek words:
 * prosthesis, meaning addition
 * aphaeresis or apheiresis, meaning subtraction.

With the advent of machines to aid the process of arithmetic, this word now has only historical significance.

, in his from $2008$, accurately and somewhat diplomatically describes the word as "ungainly".