Jisho

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Noun, Suru verb
1. lover's whispers; sweet nothings; whispered intimacies
Noun
2. babbling (of a baby); babble
Wikipedia definition
3. BabblingBabbling (also called baby talk or twaddling) is a stage in child development and a state in language acquisition, during which an infant appears to be experimenting with uttering sounds of language, but not yet producing any recognizable words. (Crucially, the larynx or voicebox, originally high in the throat to let the baby breathe while swallowing, descends during the first year of life, allowing a pharynx to develop and all the sounds of human speech to be formed.
Read “Babbling” on English Wikipedia
Read “喃語” on Japanese Wikipedia
Read “Babbling” on DBpedia

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