 Dharmakīrti then argues that whatever is smoke must have originated from fire in order for it to be smoke—otherwise it’s just a smoke-like thing, a pseudo-smoke. And he also says that if something like a “termite tower” (śakramūrdhan) did actually have the causal properties of fire—i.e., the fitness (yogyatā) to produce real smoke—then it indeed would be on fire (see Dunne 2004, 335–338).