Meaning of PHOTO- in English

PHOTO-

[ 'fəʊtəʊ ]

■ combining form

1》 relating to light: photochemical.

2》 relating to photography: photofit.

Origin

sense 1 from Gk phōs , phōt- 'light'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.