Word Study
recrudesce
CIDE DICTIONARY
recrudesce, v. i. [See Recrudescent.].
To be in a state of recrudescence; esp., to come into renewed freshness, vigor, or activity; to revive.
"The general influence . . . which is liable every now and then to recrudesce in his absence." [Webster 1913 Suppl.]
OXFORD DICTIONARY
recrudesce, v.intr. (of a disease or difficulty etc.) break out again, esp. after a dormant period.
Derivative
recrudescence n. recrudescent adj.
Etymology
back-form. f. recrudescent, -ence f. L recrudescere (as RE-, crudus raw)
For further exploring for "recrudesce" in Webster Dictionary Online