اندفن

It was, or became, buried, or interred; i. e., hidden, concealed, or covered, (S, * M, Msb, K, TA,) in the earth, or dust, (TA,) or beneath layers, or strata of earth, or dust: (Msb:) and ↓ اِدَّفَنَ, of the measure اِفْتَعَلَ, signifies the same; (S;) or ↓ تدفّن. (M, K.)

Also, said of a portion of a well, (S,) or of a well [absolutely], and of a watering-trough or tank, and of a water-ing-place, or spring to which camels came to water, (M, K, TA,) [and] so ↓ ادّفن, (T,) [It was, or became, filled up, stopped up, or choked up, with earth or dust; (see 1, of which each of these verbs is a quasi-pass.;) or] it had the dust swept into it by the wind [so that it became filled up, stopped up, or choked up]. (T, TA.)