Why was clemency trending last week?
early 15c., from Middle French optique, obtique (c.1300) and directly from Medieval Latin opticus "of sight or seeing," from Greek optikos "of or having to do with sight," from optos "seen, visible," from op-, root of opsesthai "be going to see," related to ops "eye," from PIE *okw- "to see" (see eye (n.)).
optics op·tics (ŏp'tĭks)
The science concerned with the properties of light, its refraction and absorption, and the refracting media of the eye.
optic op·tic (ŏp'tĭk) or op·ti·cal (ŏp'tĭ-kəl)
Of or relating to the eye or vision.
Of or relating to the science of optics or optical equipment.
The scientific study of light and vision. The study of optics led to the development of more general theories of electromagnetic radiation and theories of color.