rumbhati

to obstruct surround, besiege (= rundhati 3) Ja.vi.391 (where spelling rumhati; in phrase nagaraṃ r.). See also ni˚, sanni˚
pp rūḷha.

so read for rumhati (Trenckner, Notes 599; the root is another form of rudh (as in Prk.): see rundhati The Dhtm (547) defines by “uppīḷana”