Definition of earth-gall in English:

earth-gall

noun

historical
  • Any of various bitter herbs of the family Gentianaceae ; especially common centaury, Centaurium erythraeum.

Origin

Old English; earliest use found in Bald's Leechbook. Cognate with of formed similarly to Dutch aardgal, Old Saxon erthgalla (Middle Low German ērtgalle), Old High German erdgalla (German †Erdgalle) from the Germanic base of earth + the Germanic base of gall, after classical Latin fel terrae, so called on account of its bitter taste.

Pronunciation

earth-gall

/ˈəːθɡɔːl/