Meaning of PHOTO- in English

PHOTO-

photo- /fəʊtəʊ, -tə $ foʊtoʊ, -tə/ BrE AmE prefix technical

[ Language: Greek ; Origin: phos 'light' ]

1 . relating to light:

photosensitive paper (=paper that changes when light touches it)

2 . relating to photography:

photo-journalism (=the use of photographs in reporting news)

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.