déboucler znamená v Angličtina

unbuckle [unbuckled, unbuckling, unbuckles]▼◼◼◼(to unfasten (the buckle of))
verb
[UK: ˌʌn.ˈbʌk.l̩] [US: ˌʌn.ˈbʌk.l̩]He unbuckled his belt. = Il déboucla sa ceinture.