moえるeru
1.

To undergo combustion, characterized by the production of flames or smoke, resulting in the transformation of materials into ash or leaving no trace behind.

2.

To experience a surge of intense emotions or passions, often leading to a state of heightened enthusiasm or fervor.

3.

To emit a glow resembling flames, as seen in radiant phenomena or vivid colors, particularly in contexts such as natural imagery or metaphorical expressions.

Example:

火がぼんぼん燃えている。