English

exajoule

From exa- + joule.

Formed from exa- + joule

Proto-Indo-European *swéḱs ‘six’

Proto-Hellenic *hwéks ‘six’

Ancient Greek ἕξ ‘six’

English exa-

Today it means

noun An SI unit of energy equal to 10¹⁸ joules. Symbol: EJ

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

Etymograph / exajoule