From Japanese 豊 (toyo) meaning "luxurious, lush, bountiful" combined with 和 (kazu) meaning "harmony, peace", 一 (kazu) meaning "one", 数 (kazu) meaning "number, amount", 千 (kazu) meaning "thousand" or 策 (kazu) meaning "scheme, plan, means". Other kanji combinations can also form this name.