ETYMOLOGY
from photo- (comb. form; relating to light) + -geny (comb. form; general sense = mode of production)
EXAMPLE
“…IMPROVEMENTS IN THE DAGUERREOTYPE. — Numerous improvements have been lately made in the beautiful art of photogeny….”
From: Burton’s Gentleman’s Magazine
A Chapter on Science and Art
By Edgar Allen Poe
Volume VI, April, 1840
Lexicophilia 