English

hypomania

From hypo- + -mania, after German Hypomanie.

Formed from hypo + mania

Proto-Indo-European *upó ‘under, below’

Ancient Greek ὑπό ‘under’

English hypo

Proto-Indo-European *men- ‘to think, mind’

…

Proto-Hellenic *məňňómai

Ancient Greek μαίνομαι ‘to rage’

Ancient Greek μᾰνῐ́ᾱ ‘madness’

Latin mania

English mania

Today it means

noun A mild form of mania, especially the phase of several mood disorders characterized by euphoria or hyperactivity.

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

Etymograph / hypomania