Qualm.
A sudden fit of illness, or sickly languor. Hence, a qualm of conscience = a twinge or uneasiness of conscience.
A sudden fit of illness, or sickly languor. Hence, a qualm of conscience = a twinge or uneasiness of conscience.
Entry taken from Dictionary of Phrase and Fable, edited by the Rev. E. Cobham Brewer, LL.D. and revised in 1895.