unquietude
/(ˌ)ʌnˈkwʌɪɪtjuːd/ /(ˌ)ʌnˈkwʌɪɪtʃuːd/ /(ˌ)ʌŋˈkwʌɪɪtjuːd/noun
The state or condition of being unquiet; disquiet, restlessness.
Origin
Mid 17th century; earliest use found in Henry Wotton (1568–1639), diplomat and writer. From un- + quietude, after French inquiétude and post-classical Latin inquietudo inquietude.