Etymology
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aphotic (adj.)

"untouched by sunlight, lightless" (in reference to deep-sea regions), 1894, Modern Latin, from Greek a- "not, without" (see a- (3)) + phōs (genitive phōtos) "light" (from PIE root *bha- (1) "to shine") + -ic. Aphotic zone is recorded from 1913.

updated on December 20, 2020

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