variate

[vair-ee-it, -eyt] /ˈvɛər i ɪt, -ˌeɪt/
noun
1.
Statistics. random variable.
2.
variant.
Origin
1810-20; < Latin variātus past participle of variāre to vary; see -ate1
British Dictionary definitions for variate

variate

/ˈvɛərɪɪt/
noun
1.
(statistics) a random variable or a numerical value taken by it
2.
a less common word for variant (sense 4)
Word Origin
C16: from Latin variāre to vary
Word Origin and History for variate
n.

in statistics, 1899, from adjective variate (mid-15c.), from Latin variatus, past participle of variare (see vary).