noun
incense
IN-sens/ˈɪnsens/
Aromatic material burned to produce fragrant smoke.
The incense cone releases a thin stream of fragrant smoke.

Etymology
Incensum literally meant “that which is burnt.” The fragrant substance was named for its burning, the process that releases the sweet-smelling smoke.
In context
the smoke of the imperial incense, the synchronized bells, the virgin beeswax candles.