Hyphenation
proof of con·ceptTurkish pronunciation
pruf ıv känseptPronunciation
/ˈpro͞of əv ˈkänsept/ /ˈpruːf əv ˈkɑːnsɛpt/
Etymology
[ 'prüf ] (noun.) 13th century. Middle English, alteration of preove, from Old French preuve, from Late Latin proba, from Latin probare to prove; more at PROVE.