But one phase of it seemed to reach his obtunded consciousness, for this made a direct inroad upon his bank account.
Madeira did not seem to be unconscious, but his senses were obtunded, and it was some minutes before he could sit up.
c.1400, (transitive) "to render dead, make dull," used occasionally in English, especially in medical jargon; from Latin obtundere "to blunt, make dull, weaken, exhaust," literally "to beat against" (see obtuse). Related: Obtundation; obtunded.
obtund ob·tund (ŏb-tŭnd')
v. ob·tund·ed, ob·tund·ing, ob·tunds
To dull or blunt, especially sensation or pain.