Combined from 忙 [忙] + Life / Birth [生] to compose 性: represents "gender".
the opposite sex
individuality, personality, idiosyncrasy
intelligence
aptitude
reason, sense
acidity
nature, property, disposition
ability, efficiency
distinction by sex, sex, gender
neuter gender, neutral (chem.), indifference, sterility
sex, gender
character, personality
woman
male
