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 known tellurium (named for the Earth).
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).