"Knolling" is a word in ENGLISH

bóklod - A small or low hill, mound, hillock, elevation, knoll, hummock, (cf. bakólod—a large hill; búkid—a mountain: bánglid—a slope). …

A small eminence of a conical form, of land or of ice; a knoll; a hillock. See Hummock.

A rounded knoll or hillock; a rise of ground of no great extent, above a level surface.

The tolling of a bell; a knell.

A little round hill; a mound; a small elevation of earth; the top or crown of a hill.

To sound, as a bell; to knell.

To ring, as a bell; to strike a knell upon; to toll; to proclaim, or summon, by ringing.

of Knoll

An artificial hill or elevation of earth; a raised bank; an embarkment thrown up for defense; a bulwark; a rampart; …

In the clvll law. To per* form that which has been prescribed by some law or usage. Dig. 1, 3, …

A rounded knoll of rock resembling the back of a sheep. -- produced by glacial action. Called also roche moutonnee; …

A knoll or hill.

A little hillock; a knoll.