←
Proto-Indo-Iranian *Hláwpas (inherited)
←
Proto-Indo-European *Hrewp- (root)
←
Proto-Indo-European (inherited)
←
Proto-Indo-European *Hrewp- (suffix)
←
Proto-Indo-European *-os (suffix)
→
Gujarati લોપ (learned borrowing)
→
Hindi लोप (learned borrowing)
→
Indonesian lupa (derived)