What is the meaning of the Latin root -mort-?

Ihave no idea what the explanation is.

Kafka originally referred to gregor's parents as “the mother” and “the father”. however, the translator refers to them as “his mother” and “his father”. why might the translator use “his” instead of “the”? a. the word “his” makes the story smoother to read in english. b. the word “his” allows gregor’s parents to become more central characters. c. the word “his” makes gregor’s parents sound less loving. d. the word “his” creates a more negative tone.

Phrases such as funny or nice mashed potatoes and count dracula are meant tofrom the article called make your soul grow by kurt vonnegut