The Collaborative International Dictionary of English v.0.48:

Albeit \Al`be"it\, conj. [OE. al be although it be, where al is
   our all. Cf. Although.]
   Even though; although; notwithstanding. --Chaucer.
   [1913 Webster]

         Albeit so masked, Madam, I love the truth. --Tennyson.
   [1913 Webster]