mazdâhik (#), riyâzi (#)
A broad-ranging field of knowledge dealing with the systematic treatment of magnitude, relationships between figures and forms, and relations between quantities expressed symbolically.
M.E. mathematic, from L. mathematica (ars), from Gk. mathematike (tekhne) "mathematical science," from mathema (gen. mathematos) "science, knowledge," (+ -ike, → -ics), related to manthein "to learn, to know" from PIE base *men- "to think," (cf. Av. mazdāh- "memory," as below, Lith. mandras "wide-awake," O.C.S. madru "wise, sage," Goth. mundonsis "to look at," Ger. munter "awake, lively").
Mazdâhik, from Av. mazdāh- "memory," mazdā-
"wisdom," mazdāθa- "what must be borne in mind;" from PIE
base *men- "to think," as above; cf.
Skt. medhā- "mental power, wisdom, intelligence;"
Gk. manthein, mathematike, as above.