Meaning

noun a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere

originEtymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Hellenic *ə- Ancient Greek ᾰ̓- (ă-) Proto-Indo-European *werǵ- Proto-Indo-European *-om Proto-Indo-European *wérǵom Proto-Hellenic *wérgon Ancient Greek ἔργον (érgon) Proto-Indo-European *-ós Proto-Hellenic *-ós ▲ Ancient Greek -ος (-os)influ. Ancient Greek -ός (-ós) Ancient Greek ᾱ̓ργός (ārgós) Proto-Indo-European *kerh₃-der.?…

Etymology from Wiktionary, CC BY-SA 3.0