'Suspicion' is Latin for 'an upward glance of mistrust' — French 'soupcon' means 'a tiny trace.'
A feeling or thought that something is possible, likely, or true, especially something wrong.
From Old French suspicion, from Latin suspicionem (accusative of suspicio), meaning mistrust, doubt, a secret glance upward, from suspicere (to look up at, to look askance, to distrust), a compound of sub- (under, secretly) + specere (to look). Specere derives from Proto-Indo-European *speḱ- (to observe), making suspicion a distant cousin of spectrum, species, and inspect. The Latin compound captures