Final answer:
The word part that means bear, give birth to, labor, childbirth is -genesis.
Step-by-step explanation:
The word part that means bear, give birth to, labor, childbirth is -genesis. It is derived from the Greek word "gignesthai" which means to give birth. This word part is commonly used in many biological terms, such as oogenesis (the formation of eggs) and pathogenesis (the development of disease).