English rheum

← English stream (doublet)

← Middle English reume (inherited)

← Middle English rewme (mention)

← Ancient Greek ῥεῦμα (derived)

← Proto-Indo-European *srew- (root)

→ English stream (doublet)

→ English rheumatology (mention)

→ English rheumy (suffix)

→ English rheumic (suffix)

→ English enrheum (prefix)

→ English rheumed (suffix)