Kenneth G. Wilson (1923). The Columbia Guide to Standard American English. 1993.
decor, décor (n.)
is a French word meaning the scheme of decoration (of a room). Its in divided usage in both spelling (either with or without the acute accent mark) and pronunciation (either with the main stress on the second syllable, approximating the French sound, dai-KOR, or with the stress anglicized to fall on the first syllable: DAI-kor).