en- is attached to adjectives or nouns to form verbs meaning: 1  to cause (a person or thing) to be in (the place, condition, or state mentioned);  to restrict on all sides, completely:en- + circle â encircle (= to restrict on all sides within a circle).
In mathematics a divisor of an integer n {\displaystyle n} , also called a factor of n {\displaystyle n} , is an integer that can be multiplied by some other integer to produce n {\displaystyle n} .
The term hypervisor is a variant of supervisor, a traditional term for the kernel of an operating system: the hypervisor is the supervisor of the supervisor, with hyper- used as a stronger variant of super-.