English word anywhere comes from English where, English any

Detailed word origin of anywhere

Dictionary entry	Language	Definition
where	English (eng)	The place in which something happens. The place in which. (legal) In a position, case, etc., in which.. At or in which place or situation.. To which place or situation.. Wherever.. While on the contrary; although; whereas. In what situation.. Interrogative adverb, used in either a direct or indirect question: at what place; to what place; what place.. With the preposition from.
any	English (eng)	At least one; of at least one kind. One at all.. No matter what kind. To even the slightest extent, at all. Any thing(s) or person(s).
anywhere	English (eng)	Any location or an unknown location. In or at any location or an unknown location.. To (in the direction of) any location or an unknown location.