The adj MORTAL (deadly, doomed to die) derives from the Latin mortalis (subject to death) from mors (death, gen. mortis), which is a transliteration of the Greek μόρος (moros; death) from the verb μείρω (miro; separate, split, divide; as the dead is separated from all the others).
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From the same root: mortality, immortality, murder, mortuary
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In modern Greek
α) μοίρα: fate, destiny, portion, degree [mira]
β) μοιράζω: divide, share (out/in) [mirazo]
γ) μοιραίο: fate, doom, death, fatality [mireo]
δ) μοιραίος: fatal, mortal [mireos]
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More: http://ewonago.blogspot.com/2008/06/mortal-mortality-mortuary-murder.html