The story
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: The IEC prefix meaning 2⁷⁰ = 1,024⁷ = 1,180,591,620,717,411,303,424. Compare zetta-, meaning 10²¹ = 1,000⁷ = 1,000,000,000,000,000,000,000, a sextillion. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.