The word altruism was popularized (and possibly coined) by the French philosopher Auguste Comte in French, as , for an antonym of egoism.
ðə wˈɜːd ˈɔːltɹuːˌɪzəm wʌz pˈɑːpjʊlɚɹˌaɪzd ænd pˈɑːsᵻbli kˈɔɪnd baɪ ðə fɹˈɛntʃ fɪlˈɑːsəfɚɹ ˈɔːɡʌst kˈɑːnt ɪn fɹˈɛntʃ, æz , fɚɹən ˈæntənˌɪm ʌv ˈiːɡoʊˌɪzəm.