πύκασμα
From LSJ
Sunt verba voces quibus hunc lenire dolorem possis, magnam morbi deponere partem → Words will avail the wretched mind to ease and much abate the dismal black disease.
English (LSJ)
ατος, τό,
A that which is close, covered, or thick, Sm.Ps.117(118).27.
German (Pape)
[Seite 815] τό, das Dicht- od. Festgemachte, Sp.