Where does “hypothallus” come from?

hypothallus (English) comes from English hypo, from English hypo-, from Ancient Greek ὑπό, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

hypothallus (English): The outgrowth of hyphae from under the margin of...

Definitions

The outgrowth of hyphae from under the margin of...

Ancestry of “hypothallus”, step by step

hypothallus traces back through two separate lines of ancestry.

via English hypo

Step	Language	Word	Meaning
1	English	hypo	Melancholy; a fit of ‘hypochondria’; a morbid...
2	English	hypo-	Below; beneath; under; Deficient; less than...
3	Ancient Greek	ὑπό
4	Proto-Indo-European	upó	under, below
5	Proto-Indo-European	h₃ewp-	—

via English thallus

Step	Language	Word	Meaning
1	English	thallus	An undifferentiated plant body, such as in algae;...
2	Ancient Greek	θαλλός	young shoot, young branch; palm leaves, which...
3	Proto-Indo-European	dʰelh₁-	blossom; be green; to bloom, be green

Words derived from “hypothallus”

hypothallial

Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from English hypo- →