Save Gender Masculine Usage Ancient Greek [1] Scripts Ἐρατοσθένης(Ancient Greek) Meaning & History Derived from Greek ἐρατός (eratos) meaning "lovely" and σθένος (sthenos) meaning "vigour, strength". A notable bearer was the Greek scientist Eratosthenes of Cyrene (3rd century BC), the first person to calculate the circumference of the Earth. Related Names Rootseratos + sthenos Categories beauty, strength Sources & References Lexicon of Greek Personal Names, available from https://search.lgpn.ox.ac.uk/browse.html?facet-nymRef=Ἐρατοσθένης.