NAUSEA
nausea
(noun) disgust so strong it makes you feel sick
nausea, sickness
(noun) the state that precedes vomiting
Source: WordNet® 3.1
Etymology
Noun
nausea (countable and uncountable, plural nauseas or nauseae or nauseæ)
A feeling of illness or discomfort in the digestive system, usually characterized by a strong urge to vomit.
Strong dislike or disgust.
Motion sickness.
Source: Wiktionary
Nau"se*a ( or , n. Etym: [L., fr. Gr. Nave of a church, and cf.
Noise.]
Definition: Seasickness; hence, any similar sickness of the stomach
accompanied with a propensity to vomit; qualm; squeamishness of the
stomach; loathing.
Source: Webster’s Unabridged Dictionary 1913 Edition