Inquietude (noun)
in-qwai-et-ood
Physical or mental restlessness or disturbance.
Late Middle English (in the sense ‘disturbance of one’s quietness or rest’): from Old French, or from late Latin inquietudo, from Latin inquietus, from in- ‘not’ + quietus ‘quiet’.
Example sentences
“There’s no doubt he’s suffering from an inquietude of the mind.”