Old Norse léttr

← Proto-Germanic *linhtaz (inherited)

← Old High German liht (mention)

← Proto-Indo-European *h₁lengʷʰ- (derived)

→ Old English leoht (cognate)

→ Danish let (derived)

→ Faroese lættur (derived)

→ Westrobothnian ljett (inherited)

→ Old Swedish lætter (inherited)

→ Old High German liht (cognate)

→ Icelandic léttur (derived)

→ Norwegian Bokmål lett (derived)

→ Norwegian Nynorsk lett (derived)

→ Old Norse léttleikr (suffix)

→ Old Saxon liht (cognate)

→ Swedish lätt (inherited)