English
heliophobia
From helio- + -phobia.
A compound of helio- + -phobia
Proto-Indo-European *sóh₂wl̥ ‘sun’
Proto-Hellenic *hāwélios ‘sun’
Ancient Greek ἥλιος ‘sun’
English helio-
Today it means
noun Fear of sunlight; dislike and strenuous avoidance of direct sunlight (and, in some cases, all sunlight).
Language periods are conventional ranges, not dates for this word.
Etymograph / heliophobia