Smoky

wiktionary

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From Middle English smoky, smokie, equivalent to smoke +‎ -y.

etymonline

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smoky (adj.)

early 14c., "emitting smoke," from smoke (n.) + -y (2). Meaning "filled with smoke" and meaning "resembling smoke" are from late 14c. Of flavors, from 1540s; of colors, from 1550s. Related: Smokiness.