Proto-Indo-European *(s)leh₁g-

→ English languor (mention)

→ English lask (mention)

→ English lage (derived)

→ Old English slæc (mention)

→ Irish lag (derived)

→ Ancient Greek λαγῷος (derived)

→ Ancient Greek λαγών (derived)

→ Ancient Greek λαγαρός (derived)

→ Ancient Greek λωγάνιον (derived)

→ Latin lactes (mention)

→ Latin langueo (mention)

→ Sanskrit लङ्ग (mention)

→ Old Irish lac (derived)