from The Century Dictionary and Cyclopedia
- Of or pertaining to Porphyry (about 233–305 a. d.), a neo-Platonic philosopher and opponent of Christianity.
Sorry, no etymologies found.
Unlike them, however, Chisholm (1996, 3) lays out categories in the form of a porphyrian tree starting from a single most general category comprising everything, but divided into successively narrower genera at lower levels of branching.
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