母子

mother and child / parent and subsidiary (companies) / principal and interest

mother / elderly female relative / origin / source / (of animals) female

son / child / seed / egg / small thing / 1st earthly branch: 11 p.m.-1 a.m., midnight, 11th solar month (7th December to 5th January), year of the Rat / Viscount, fourth of five orders of nobility 五等爵位[wu3 deng3 jue2 wei4] / ancient Chinese compass point: 0° (north) / subsidiary / subordinate / sub-

(noun suffix)

mother-to-infant transmission