Added 9 October 2026
lightness
/ˈlaɪtnəs/ noun
In Latin: levitās Wiktionary
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about lightness at Wordnik → Where our words come from →
Origin
From Middle English lightnes, lightnesse, from Old English līhtnes, lȳhtnys (“enlightening, illumination”), from Proto-West Germanic *liuhtinassī; equivalent to light (“to make bright, illuminate”, verb) + -ness (suffix forming nouns). Cognate with Old High German liuhtnissi (“illumination, enlightening”).
From Wiktionary, via Kaikki.org (CC BY-SA)