Dictionary

energise en · VERB

Etymology

Etymology tree Proto-Indo-European *h₁én Ancient Greek ἐν (en) Ancient Greek ἐν- (en-) Proto-Indo-European *werǵ- Proto-Indo-European *-om Proto-Indo-European *wérǵom Proto-Hellenic *wérgon Ancient Greek ἔργον (érgon) Proto-Indo-European *-os Proto-Hellenic *-os Ancient Greek -ος (-os) Ancient Greek ἐνεργός (energós) Proto-Indo-European *-os Proto-Indo-European *-ēs Proto-Hellenic *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ής (-ḗs) Ancient Greek ἐνεργής (energḗs) Proto-Indo-European *-is Proto-Indo-European *-h₂ Proto-Indo-European *-ih₂der. Ancient Greek -ιᾰ (-iă) Ancient Greek ἐνέργεια (enérgeia)bor. Late Latin energīader. Middle French énergieder. English energy English -ise English energise From energy + -ise.

Meanings

1. Non-Oxford British standard spelling of energize.
   • The 13-mile section from Tring to Watford, on which work is further ahead than elsewhere south of Rugby, is likely to be energised for crew training in advance of the Rugby-Euston extension; a Crewe-Liverpool multiple-unit set is already at Stonebridge Park depot ready for use on this work. 1963 December, “News and Comment:Catenary energised to Lichfield”, in Modern Railways, page 368:

Forms

Deriveds

de-energise · energisation · reenergise · deenergise · energiser