Marked

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Old English mearc, gemerce (noun), mearcian (verb), of Germanic origin; from an Indo-European root shared by Latin margo ‘margin’.

wiktionary

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mark(“sign, characteristic, visible impression”) +‎  -ed

mark(“verb senses”) +‎  -ed

etymonline

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marked (adj.)

"having a mark," Old English gemearcodan (see mark (v.)). Meaning "clearly defined, easy to distinguish" (pronounced as two syllables) is from 1795. Related: Markedly. Marked man "one who is watched with hostile intent" is from 1769.