The story
From lighthearted (adjective) (any sense) + -ly (suffix forming adverbs).
Etymology from Wiktionary, CC BY-SA 4.0.
lightheartedly
light·heart·ed·lyToday it means: In a lighthearted manner, cheerfully, with joy. Full definition →
Today it means: In a lighthearted manner, cheerfully, with joy. Full definition →
From lighthearted (adjective) (any sense) + -ly (suffix forming adverbs).
Etymology from Wiktionary, CC BY-SA 4.0.