latescent

from The Collaborative International Dictionary of English v.0.48

Latescent \La*tes"cent\, a. [L. latescens, -entis, p. pr. of
   latescere to be concealed, fr. latere to be hid.]
   Slightly withdrawn from view or knowledge; as, a latescent
   meaning. --Sir W. Hamilton.
   [1913 Webster]