←
Proto-Indo-Iranian *raȷ́ʰ- (inherited)
←
Proto-Indo-Iranian *Hrā́ćš (inherited)
←
Middle Persian lʾc (inherited)
←
Old Persian *𐎼𐎠𐏀 (inherited)
←
Sanskrit रहस्य (cognate)
←
Classical Syriac ܐܪܙܐ (cognate)
←
Old Armenian երազ (cognate)
→
Sanskrit रहस्य (cognate)
→
Sanskrit रहस् (cognate)
→
Classical Syriac ܐܪܙܐ (cognate)
→
Old Armenian երազ (cognate)