adamantas

== Lithuanian == === Etymology === Borrowed from Old East Slavic adamantъ (adamantŭ), ultimately from Ancient Greek ἀδάμας (adámas). See the more modern form deimantas, from the same source through French. === Noun === adamantas m (archaic) diamond ==== Declension ==== === Further reading === Wojciech Smoczyński (2018), “adamantas”, in Lithuanian Etymological Dictionary, Berlin, Germany: Peter Lang, →DOI, →ISBN, page 4