δίσκος

Furnée pointed out that the traditional derivation from δικεῖν (dikeîn, “to cast”) is hardly possible, because the suffix "-σκο-" is rare in nominal derivation. Therefore, he suggested to start from *δισκ-, a variant of δικεῖν (dikeîn), which has Pre-Greek origin.

δίσκος • (dískos) m (genitive δίσκου); second declension

1. quoit, disc
2. dish, trencher
3. round mirror
4. reliquary
5. marigold (Calendula arvensis)

• Latin: discus
• → English: disc
• → Italian: disco

• δίσκος in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press
• δίσκος in Bailly, Anatole (1935) Le Grand Bailly: Dictionnaire grec-français, Paris: Hachette
• δίσκος in the Diccionario Griego–Español en línea (2006–2019)
• Beekes, Robert S. P. (2010) Etymological Dictionary of Greek (Leiden Indo-European Etymological Dictionary Series; 10), with the assistance of Lucien van Beek, Leiden, Boston: Brill

From Ancient Greek δίσκος (dískos), from δικεῖν (dikeîn, “to throw, to cast, to strike”), from Proto-Indo-European *déyḱti (“to show, point out”).

δίσκος • (dískos) m (plural δίσκοι)

1. record, disc or disk.
2. (computing) disk
3. (athletics) discus
4. tray

• → Romanian: disc

• Beekes, Robert S. P. (2010) Etymological Dictionary of Greek (Leiden Indo-European Etymological Dictionary Series; 10), with the assistance of Lucien van Beek, Leiden, Boston: Brill
• “δίσκος” in The American Heritage Dictionary of the English Language, 5th edition, Boston, Mass.: Houghton Mifflin Harcourt, 2016, →ISBN.