Skepticism
来自Big Physics
late 16th century (in sceptic (sense 2 of the noun)): from French sceptique, or via Latin from Greek skeptikos, from skepsis ‘inquiry, doubt’.
wiktionary
skeptic + -ism
etymonline
skepticism (n.)
also scepticism, 1640s, from skeptic + -ism. Specifically regarding Christian religion, from 1800.