Origin: The word HAUST originated from the Latin word HAUSTUS which means Draw or Pull.
The words derived from this possess the above meaning.
Exhaust = Use up completely
Exhaustible = Limited or inadequate
Exhaustion = A state of extreme tiredness
Exhaustive = Considering or including all aspects
Haustellate = Adapted for sucking
Haustellum = The sucking organ of an insect
Haustorium = A slender projection from the root of a parasitic plant
Haustrum = Small patches caused by sac formation inside the colon
Inexhaustible = Unable to be used up because existing in abundance