predeterminer
noun
pre·de·ter·min·er ˌprē-di-ˈtər-mə-nər 
: a limiting noun modifier (such as both or all) characterized by occurrence before the determiner in a noun phrase
Example Sentences
In the phrase “for all their trouble,” the word “their” is a determiner and the word “all” is a predeterminer.
Word History
First Known Use
1957, in the meaning defined above