English

hypothecium

From hypo- + thecium.

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

Ancient Greek ὑπό ‘under’

English hypo-

Proto-Indo-European *dʰeh₁- ‘to do’

Ancient Greek θήκη ‘sheath’

Ancient Greek θήκιον

New Latin thēcium

Today it means

noun The layer of hyphal tissue directly beneath the thecium

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

Etymograph / hypothecium