The story
- Greek · derived fromίσος“equal”
- English todayISO
Officially from Greek ίσος (ísos, “equal”). However, a participant in the initial meetings disputes this etymology, claiming that the link to ίσος was decided on after the name ISO was set. (file format): From the file extension, in reference to the ISO 9660 specification.
Etymology from Wiktionary, CC BY-SA 4.0.