English

exagram

From exa- + gram.

A compound of exa- + gram

Proto-Indo-European *swéḱs ‘six’

Proto-Hellenic *hwéks ‘six’

Ancient Greek ἕξ ‘six’

English exa-

Ancient Greek γράμμα ‘a small weight, a scruple’

French gramme

English gram

Today it means

noun (metrology) An SI unit of mass equal to 10¹⁸ grams. Symbol: Eg

Language periods are conventional ranges, not dates for this word.