Ambience

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late 19th century: from ambient + -ence, or from French ambiance, from ambiant ‘surrounding’.

etymonline

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ambience (n.)

1797, "environmental surroundings," used as a term in art for the arrangements that support the main effect of the piece, from French ambiance "atmosphere, mood, character, quality, tone," from Latin ambiens "a going around," present participle of ambire "to go around," from amb- "around" (from PIE root *ambhi- "around") + ire "go" (from PIE root *ei- "to go"). The notion of "going all around" led to the sense of "encircling, lying all around." Compare ambiance.