出典:Wiktionary
From Latin plācātus, past participle of plācō (“appease, placate”, literally “smooth, smoothen”), from Proto-Indo-European *plāk- (“smooth, flat”), from *pele- (“broad, flat, plain”). Related to Latin placeō (“appease”), 古期英語 flōh (“flat stone, chip”). More at please.
to distort the meaning of something
to worry about something
かかわらせる
to cause a person to become involved with something
もろくする
緩くする
しだいにする
to do something little by little