Proto-Indo-European *(s)leg-

→ English slack (root)

→ English languish (root)

→ English languid (root)

→ English languor (root)

→ English languor (derived)

→ English lask (root)

→ English lask (derived)

→ Old English slæc (inherited)

→ Latin lactes (derived)

→ Latin langueo (inherited)

→ Latvian slinks (mention)

→ Albanian lekur (mention)