From fr.wiktionary.org:
** [en]
*** [étymologie]
Du [enm] [1] . Apparemment du verbe _to vail_ [1] . Voir également l' anglonormand _avail_ [1] .
*** [nom]
[əˈveɪl] AVAIL [əˈveɪl]
1. Résultat positif, succès .
2. * {{ exemple | lang=en
| Charles May afterward related the unfortunate occurrence to his wife and explained that he had apologised to the son for the hasty blow, but without AVAIL.
| source=[Ambrose Bierce], _The Thing at Nolan (see http://www.ambrosebierce.org/nolan.htm) _, 1891, éd. 2008}} [978-0-141-03881-0]
1. * [ lang=en ]
*** [verbe]
[inf.pron=əˈveɪl] AVAIL [əˈveɪl] [en]
1. [nocat=1] Aider , assister , secourir .
**** [dérivés]
- [unavailing]
- [to no avail]
*** [prononciation]
- [lang=en]
- [[nocat=1]]
*** [références]
- [1] : [Oxford English Dictionary] , 1973 [0198611269]