Sélénium - saking Basa Yunani Kuna σελήνη (selḗnē) "Wulan" - katemuin warsa 1817 olih Jöns Jacob Berzelius, sané nyutetin kapatehan datu anyar sareng téllurium sané katemuin sadurungné (kaaranin mawit Gumi).
Selenium (Greek σελήνη selene meaning "Moon") was discovered in 1817 by Jöns Jacob Berzelius, who noted the similarity of the new element to the previously discovered tellurium (named for the Earth).