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Origin
unenergetic
English
energetic
English
ἐνεργητικός
Ancient Greek (to 1453)
ἐνεργέω
Ancient Greek (to 1453)
ἐνεργός
Ancient Greek (to 1453)
un-
English
on-
Middle English (1100-1500)
on-
Old English (ca. 450-1100)
ond-
Old English (ca. 450-1100)
un-
Middle English (1100-1500)
un-
Old English (ca. 450-1100)
unus
Latin
oinos
Latin
Sourced from
Etym
Antonyms
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