自し然ぜん言げん語ご

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Meanings

1

noun

natural language

linguistics

Linguistics term for a language that has developed naturally in a human community, as opposed to constructed or formal languages.

自oneself

然sort of thing, so, if so

言say, word

語word, speech, language

人じん工こう言げん語ご
人工言語 refers to artificially constructed languages like Esperanto, while 自然言語 refers to naturally evolved human languages.

Compound of 自然 (natural) and 言語 (language), a straightforward calque of the English term 'natural language'.