English
hypotheca
From hypo- + theca.
Proto-Indo-European *dʰeh₁- ‘to put, place’
Proto-Indo-European *dʰédʰeh₁ti ‘to be putting, placing’
Ancient Greek τίθημι ‘put, set, place’
Ancient Greek θήκη ‘a case, box, receptacle’
Latin thēca ‘a case, envelope, sheath’
English theca
Today it means
noun The lower or posterior half of the theca of a thecate protist such as a diatom or dinoflagellate
Language periods are conventional ranges, not dates for this word.
Etymograph / hypotheca