Word Origin & History
explore1580s, "to investigate, examine," from L. explorare "investigate, search out," said to be originally a hunters' term meaning "set up a loud cry," from ex- "out" + plorare "to cry." But second element also explained as "to make to flow," from pluere "to flow." Meaning "to go to a country or place in quest
of discoveries" is first attested 1610s. Related: Explored; exploring.