Meaning of PHOTO- in English

PHOTO-

/ ˈfəʊtəʊ; NAmE ˈfoʊtoʊ/ combining form (in nouns, adjectives, verbs and adverbs)

1.

connected with light :

photosynthesis

2.

connected with photography :

photogenic

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WORD ORIGIN

sense 1 from Greek phōs , phōt- light; sense 2, abbreviation of photography .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.