英语词源字典 - 在线词源网站

cordial (adj.)[cordial 词源字典]: late 14c., "of the heart," from Middle French cordial, from Medieval Latin cordialis "of or for the heart," from Latin cor (genitive cordis) "heart," from PIE root *kerd- (1) "heart" (see heart (n.)). Meaning "heartfelt, from the heart" is mid-15c. The noun is late 14c., originally "medicine, food, or drink that stimulates the heart." Related: Cordiality.[cordial etymology, cordial origin, 英语词源]
heart-felt (adj.): also heartfelt, "profoundly felt, deep, sincere," 1734, from heart (n.) + past tense of feel (v.).