to put on (see api 1b), to cover up, obstruct, Ja.v.60 (inf. apidhetuṃ) pp. apihita, Pass. apithīyati, Der. apidhāna (q.v.).

api + dhā …

cover, lid Vin.i.203, Vin.i.204; Vin.ii.122. See apidahati.

Vedic apidhāna in same meaning

covered Ja.iv.4.

pp. of apidahati

Pass. of apidahati to be obstructed, covered, barred, obscured Ja.ii.158. See also pithīyati.

for…

…opp. of p. is vivarati.

api + dhā, cp. apidahati & Prk. piṇidhattae = Sk. apinidhātave