Where does “hydrotheca” come from?

hydrotheca (English) comes from English theca, from Latin thēca, from Ancient Greek θήκη, from Ancient Greek τίθημι, from Proto-Indo-European dʰeh₁- — to do, put, place.

hydrotheca (English): One of the calicles that protect the hydrants in...

Definitions

  1. One of the calicles that protect the hydrants in...

Ancestry of “hydrotheca”, step by step

hydrotheca traces back through two separate lines of ancestry.

via English theca

StepLanguageWordMeaning
1EnglishthecaAny external case or sheath; The pollen-producing...
2Latinthēcaa case, envelope, sheath
3Ancient Greekθήκηbox, chest; grave, tomb; sword sheath
4Ancient GreekτίθημιI put, place, set; I make, cause to be; I make
5Proto-Indo-Europeandʰeh₁-to do, put, place

via English hydro

StepLanguageWordMeaning
1Englishhydrohydroelectric; hydroponic; hydroelectric power
2Ancient Greekὕδωρwater; rainwater, rain; sweat
3Proto-Hellenic*údōrwater
Every word from Proto-Indo-European dʰeh₁-Every word from Ancient Greek τίθημιEvery word from Ancient Greek θήκη