lightness · noun1
- Proto-West Germanic · inherited from*liuhtinassī
- Old English · inherited fromlīhtnes
- Middle English · inherited fromlightnes
- English todaylightness
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”).
lightness · noun2
- Old English · inherited from*lēohtnes“lightness”
- Middle English · inherited fromlightnes
- English todaylightness
From Middle English lightnes, lightnesse, from Old English *lēohtnes (“lightness”) (compare Old English lēohtmōdnes (“lightness”, literally “light-moodedness”), līhtingnes (“lightness, alleviation”)); equivalent to light (“not heavy”, adjective) + -ness (suffix forming nouns). Cognate with Middle Low German luchtnisse, lüchtnisse (“lightness, frivolity, joyfulness”).
Etymology from Wiktionary, CC BY-SA 4.0.