Adumbrate

to produce a faint image or resemblance of; to outline or sketch.
to foreshadow; prefigure.
to darken or conceal partially; overshadow.
historical examples

one could adumbrate triumph or disaster by the effort, sustained or otherwise, made by them.
the soul of susan yellam horace annesley vach-ll

feeble is human speech to deal with such high matters, serving, at the best, but dimly to adumbrate ineffable truths.
the contemporary review, january 1883 various

but it is now time to state, or rather faintly to adumbrate, the grand -ssumption of this singular work.
the atlantic monthly, volume 15, no. 88, february, 1865 various

a type is a symbol appointed by g-d to adumbrate something higher in the future, which is called the ant-type.
companion to the bible e. p. barrows

there had, in truth, scarcely yet been time enough to adumbrate the possibilities opened up by this gentleman’s return.
a laodicean thomas hardy

verb (transitive)
to outline; give a faint indication of
to foreshadow
to overshadow; obscure
v.

“to outline, to sketch,” 1580s, from latin adumbratus “sketched, shadowed in outline,” past participle of adumbrare “to represent (a thing) in outline” (see adumbration). meaning “to overshadow” is 1660s. related: adumbrated; adumbrating.