heat stage ［煗位・煗法］ ( nan-i or nampō): Also, heat root, heat method, warmth stage, etc. The first of the four good roots, or preparatory practices leading to the way of insight. In the heat stage, one approaches wisdom that is free from outflows, or earthly desires, and obtains good roots that are still tainted by outflows. This process is compared to approaching a fire and being warmed by it. The fire itself is compared to pure wisdom (wisdom without outflows), and the warmth one feels from it is compared to good roots that still retain outflows. After having accomplished the stage of the four good roots, one proceeds to the way of insight, or the first of the “three ways”—the three stages of Hinayana practice. See also four good roots.