IPA: //ˈpɒstjʊməs//
KK: /ˈpɑstʃəməs/
Relating to something that happens after a person's death, such as a child born after their father's death or a work published after an author's death.
The author received a posthumous award for his contributions to literature.
Posthumous → It is formed from "post-" (meaning after) and "humus" (meaning ground or earth, from Latin). The word "posthumous" refers to something that occurs after a person's death, literally meaning 'after the ground' or 'after burial'.
Think of 'post-' meaning 'after' and 'humus' relating to the 'ground' where a person is buried — this helps you remember that 'posthumous' refers to events that happen after someone's death.