mathmatikós
Mathmatikós (μαθηματικός) is a Greek word with two related senses. As an adjective, it means mathematical; as a noun it denotes a person who studies or works in mathematics—a mathematician. In modern Greek, the masculine noun ο μαθηματικός refers to a mathematician, while the adjective μαθηματικός is used for mathematical topics.
The word is formed from the Greek root math- (learning, knowledge) and the suffix -ikós, a pattern
In usage, μαθηματικός appears in academic and educational contexts to designate professionals in mathematics, such as researchers