- photic (adj.)
[photic 词源字典]
- 1843, "pertaining to light;" 1899, "pertaining to the parts of the ocean penetrated by sunlight," from Greek phot-, comb. form of Greek phos "light" (related to phainein "to show, to bring to light;" see phantasm) + -ic.[photic etymology, photic origin, 英语词源]