AB language
In English philology , AB language is a variety of Middle English found in the Corpus manuscript , containing "Ancrene Wisse" ( whence 'A' ) , and in MS Bodley 34 in Bodleian Library , Oxford ( whence 'B' ) . 
<triplet> AB language <subj> Middle English <obj> subclass of <triplet> Ancrene Wisse <subj> Middle English <obj> language of work or name