How long has the word "site" been used as a noun in English? [closed]

Solution 1:

According to dictionary.com, since 1350 A.D. to 1400 A.D.:

First recorded in 1350–1400; Middle English, from Middle French, from Latin situs “position, arrangement, site” (presumably originally, “leaving, setting down”), equivalent to si-, variant stem of sinere “to leave, allow to be” + -tus suffix of verbal action

You can find this information in many dictionaries by scrolling down past the definitions to a section titled "etymology," etymology being the history and origin of a word.