oguṇṭheti : [ava + guṇṭh + e] covers; veils over.

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

Oguṇṭheti [o + guṇṭheti] to cover, veil over, hide S iv.122 (ger. oguṇṭhitvā sīsaŋ, perhaps better read as oguṇṭhitā; v. l. SS. okuṇṭhitū). -- pp. oguṇṭhita (q. v.).

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