Apotelesma

a-po-TE-les-ma

greek: ἀποτέλεσμα (Apotelesma)

Definition

Apotelesma (Greek apotélesma, 'outcome' or 'effect brought about') is the Hellenistic term for what a chart pattern produces — the predicted result in an astrological if-then statement. A configuration of stars sets the condition (the protasis); its apotelesma is the outcome that follows (the apodosis). The plural, apotelesmata, names the whole catalogue of such outcomes, and the related word apotelesmatika names the predictive branch of astrology itself.

In Tradition

For Hellenistic astrologers, the apotelesma is what the chart actually delivers once a pattern meets its conditions — the testable yield of the practice. Works titled Apotelesmatika (Ptolemy's Tetrabiblos in some manuscripts, Hephaestion of Thebes, the Pseudo-Manethonian poems) build the whole discipline around this output: every configuration is read as the if-clause of an apotelesma still to come.

In Practice

An astrologer working this way moves catalogue by catalogue: a recognized configuration triggers the apotelesma listed for it, the way the cookbook compilations of Firmicus, Rhetorius, and Pseudo-Manetho lay them out. The underlying move is plain if-then logic, which Lightfoot describes for the Pseudo-Manethonian Apotelesmatika — an astrological condition fills the "if" slot, the predicted apotelesma fills the "then." This is how a chart yields its forecast: an angular Mars in difficult shape produces one apotelesma, the Moon under certain aspects another. The same frame carries into the Arabic transmission as al-aḥkām ("judgements") and into medieval Latin as iudicia, and it gives much of classical astrological literature its very titles.

Historical Origin

Apotelesma names whole works across the Hellenistic stream. Ptolemy's Tetrabiblos circulates as Apotelesmatika in some manuscripts; Hephaestion of Thebes wrote three books of Apotelesmatika in the 5th century CE; and the Pseudo-Manethonian Apotelesmatika is the surviving hexameter catalogue Lightfoot edited in 2020. The term is also recorded in Firmicus, Rhetorius, and the Greek-Egyptian astrological glossaries.

Etymology

Origin: Greek. Meaning: Outcome, effect, completion.

Further Reading

  • Claudius Ptolemy, Tetrabiblos (Apotelesmatika)
  • J. L. Lightfoot, The Apotelesmatika of Manetho
  • Firmicus Maternus, Mathesis