increep

in- +‎ creep

increep (third-person singular simple present increeps, present participle increeping, simple past and past participle incrept)

1. (intransitive, poetic) To creep in; to make a furtive entrance.
   • Unnamed author quoted in 1849, Jane Eliza Leeson, Chapters on Deacons

     First order gone, and doors not being kept, / By Baptism heaps of profane do rush: / With them at length a ministry incrept, / That with the horn God's ordinance did push: […]

   • Thomas Hardy

     It seemed a thing for weeping / To find, at slumber's wane / And morning's sly increeping, / That Now, not Then, held reign.

• Pernice, creepin', percine