/ ˈpɒstjʊməs; NAmE ˈpɑːstʃəməs/ adjective
[ usually before noun ] happening, done, published, etc. after a person has died :
a posthumous award for bravery
► post·hu·mous·ly adverb
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WORD ORIGIN
early 17th cent.: from Latin postumus last (superlative from post after), in late Latin spelled posth- by association with humus ground.