Etymograph

English

hypophase

From hypo- + phase.

Formed from hypo- + phase

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

Ancient Greek ὑπό ‘under’

English hypo-

Proto-Indo-European *bʰeh₂- ‘to shine’

…

Proto-Hellenic *pʰáňňō ‘to appear’

Ancient Greek φαίνω ‘to bring to light; to appear’

Ancient Greek φάσις ‘appearance’

New Latin phasis

English phase

Today it means

noun The lower, more dense phase of a multiphase system

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

Etymograph / hypophase