The story
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: The IEC prefix meaning 2⁶⁰ = 1,024⁶ = 1,152,921,504,606,846,976. Compare exa-, meaning 10¹⁸ = 1,000⁶ = 1,000,000,000,000,000,000, a quintillion. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.