COMB in ADJ-shy is added to nouns to form adjectives which indicate that someone does not like a particular thing, and tries to avoid it. For example, someone who is camera-shy does not like having their photograph taken.
They are normally camera-shy but found themselves in the spotlight yesterday after their spectacular resolution of an apparently insoluble problem...
The publicity-shy singer spoke frankly in his first interview in three years.
English dictionary. 2008.