De morborum temporibus, Principum Medicorum Aphorismoi

They are called particular, ὁμώνυμα homonyms to those mentioned.
I. Ἀνωμαλία Irregularity does not increase the number of times, whether you say it is only the end of the beginning, or also the beginning of the increase.

XII.
The decline, alongside the other three, completes the Period with a διάλειμμα interval. For it is the time of intension and remission, in which the disease returns in order from the same things to the same things.
1. Immaterial diseases do not have particular times, such as hectic fever or exquisite ephemeral fever.
2. Nor do all material diseases have a particular time, such as closed fevers.

XIII.
The first three times constitute the Intension or Accession, taken in the strictest sense: the remainder is called Remission.

XIV.
Intension is the worse part of the Period: Remission is the more benign.

XV.
The διάλειμμα interval completes the Period for the ἀπυρεξία afebrile state of intermittent fevers: for continuous fevers, it completes the Accession, specifically termed.
1. The ἀπυρεξία afebrile state of neutrality (which for philosophers is nothing) is a state: it is not a fever, but a time of the period.
2. This is sometimes so short that intermittent fevers appear continuous: whence they are also called Continuous by Subingress.
3. An exquisite intermittent tertian fever has an ἀπυρεξία according to the senses: according to reason, it has almost none: just as an intermittent quotidian.
4. Indeed, the ἀπυρεξία of this is 6 hours; the accession is 18; for that one, the accession is a very short 3 hours, the longest 12; the ἀπυρεξία is the remainder.
5. The accession of an impure intermittent tertian is 18 hours. An extended one reaches beyond 12 hours as much as the fever is more impure; so that it may rise to 24 or 28.
6. The accession of an intermittent quartan is the longest of all.
7. The cause of the ἐπίδοσις increase is that putrefaction cannot continually exercise the heart with equal vehemence, since the matter is in the veins located somewhat apart from the heart. And these are called proportioned fevers.
8. The cause of the ἀπυρεξία is the putrid vapor and the putrefactive moisture being entirely consumed, both because the vapor is dissipated through the skin in the extremities and because the fuel is entirely consumed.
9. Avicenna, however, believes an interpolated fever is caused by putrefaction in the capsule of the heart: Rondelet believes it is caused by symptomatic morbid obstruction.
10. An intermittent fever returns because of a defect left in a member, both through the generation of humor in the member in which it putrefies and through the flow of it generated outside the vessels.