paṭicchanna : [pp. of paṭicchādeti] covered over; concealed.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

Paṭicchanna [pp. of paṭicchādeti] covered, concealed, hidden Vin ii.40; A i.282; Sn 126, 194; Pv i.102 (kesehi=paṭicchādita PvA 48); ii.102 (kesehi); DAi.276, 228; SnA 155; KhA 53; VbhA 94 (˚dukkha); PvA 43, 103. -- appaṭicchanna unconcealed, open, unrestrained Vin ii.38; J i.207.
   -- kammanta of secret doing, one who acts underhand or conceals his actions A ii.239; Sn 127.

Pali-English Dictionary, TW Rhys Davids, William Stede,