Ancient Greek ῥύσις

← Ancient Greek ῥέω (affix)

← Ancient Greek -σῐς (affix)

← Proto-Indo-European *sréwtis (inherited)

← Proto-Indo-European *srew- (suffix)

← Proto-Indo-European *-tis (suffix)

← Lithuanian srū́ti (cognate)

← Sanskrit स्रुति (cognate)