English tumultuous

← French tumultueux (cognate)

← Old French tumultuous (derived)

← Proto-Indo-European *tewh₂- (root)

← Latin tumultuōsus (derived)

← Latin tumultus (mention)

← Latin -ōsus (mention)

→ English tumultuously (suffix)

→ English untumultuous (prefix)

→ English tumultuousness (suffix)