steepen

Etymology
From. Compare.

Verb

 * 1)  To make steeper.
 * 2)  To become steeper.
 * 3) * H. Miller
 * As the way steepened I could detect in the hollow of the hill some traces of the old path.
 * As the way steepened I could detect in the hollow of the hill some traces of the old path.

Translations

 * Bulgarian: правя по-стръмен
 * German: steiler machen
 * Irish: géaraigh
 * Maori: mānihi