Posthumous comes from the Latin posthumus, which is itself an alteration of postumus ("born after the father's death"). It is thought that the word humus (meaning "dirt, earth" in Latin) was substituted for -umus in the mistaken belief that the word's final element had something to do with the soil in a grave.

Does posthumous mean after death?

arising, occurring, or continuing after one's death: a posthumous award for bravery. published after the death of the author: a posthumous novel.

What is the meaning Ofposthumously?

: after the death of the person in question a book published posthumously a medal awarded posthumously Plath's magnificent Ariel, written mostly during the final months of her life and assembled posthumously by Hughes, takes the notion of confessional poetry to verbal and imaginative extremes.—