←
Old English lēoht (cognate)
←
English light (cognate)
←
Proto-Indo-Iranian *rúkš (inherited)
←
Proto-Indo-Aryan *rúkṣ (inherited)
←
Proto-Indo-European (inherited)
←
Proto-Indo-European *lewk- (mention)
→
Sanskrit रुचि (mention)
→
Sanskrit लोक् (mention)