c. 1600, "game park," from Latin vivarium "enclosure for live game, park, warren, preserve, fish pond," noun use of neuter singular of vivarius "pertaining to living creatures," from vivus "alive, living" (from PIE root *gwei- "to live"). Meaning "glass bowl for studying living creatures" is from 1853.
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}