entre chien et loup
Definition from Wiktionary, the free dictionary
Traditional sentiment, dating to antiquity (found in 2nd century CE texts), found in French in the 18th century.
- (literally) between a dog and a wolf.
- (by extension, idiomatic) At dusk, at twilight; gloaming.
- (photography) golden hour (used in same technical sense for “good photographic light at twilight”)