Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Indo-European *h₁lengʷʰ-

→ English light (derived)
→ English lung (mention)
→ English leprechaun (derived)
→ Czech lehký (derived)
→ Old Church Slavonic льгъкъ (derived)
→ Welsh llai (root)
→ Welsh llai (derived)
→ German leicht (derived)
→ Middle Dutch licht (derived)
→ Persian رخت (inherited)
→ Faroese lættur (derived)
→ Old High German liht (derived)
→ Ancient Greek ἐλάσσων (mention)
→ Icelandic léttur (derived)
→ Italian lieve (root)
→ Italian lieve (mention)
→ Italian leggiadria (root)
→ Italian leggiadro (root)
→ Latin levis (mention)
→ Lithuanian lengvas (derived)
→ Mozarabic ليُ (derived)
→ Norwegian Bokmål lett (derived)
→ Dutch licht (derived)
→ Old Norse léttr (derived)
→ Old Marathi 𑘮𑘯𑘳 (root)
→ Polish lekki (mention)
→ Portuguese leve (derived)
→ Portuguese leve (derived(pt/es))
→ Romansch lev (derived)
→ Romansch leiv (derived)
→ Romansch leav (derived)
→ Russian лёгкий (derived)
→ Sanskrit रंहति (mention)
→ Old Irish lugu (inherited)
→ Old Irish lingid (derived)
→ Serbo-Croatian lak (derived)
→ Serbo-Croatian lagan (derived)
→ Serbo-Croatian лак (derived)
→ Serbo-Croatian лаган (derived)
→ Slovak ľahký (derived)
→ Slovene lahek (derived)
→ Albanian lehtë (mention)
→ Albanian lëngë (derived)