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English word protocol comes from Ancient Greek πρῶτον, Ancient Greek κόλλα
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πρῶτον (Ancient Greek)
κόλλα (Ancient Greek)
πρωτόκολλον (Byzantine Greek)
prōtocollum (Malayalam)
protocolle, protocole (Middle French)
protocol (English)
(by extension) An accepted code of conduct; acceptable behaviour in a given situation or group. [from 20th c.]. (computing) A set of formal rules describing how to transmit or exchange data, especially across a network. [from 20th c.]. (international law) An amendment to an official treaty. [from 19th c.]. (international law, now, _, rare) An official record of a diplomatic meeting or [...]