from The American Heritage® Dictionary of the English Language, 4th Edition
- n. In Aristotelian thought, a predicable property common to all members of a kind but not constituting part of the definition of that kind.
from The Century Dictionary and Cyclopedia
- n. In Swedenborgianism, what is one's own; selfhood.
Medieval Latin, from neuter of Latin proprius, proper (to) (translation of Greek idion); see per1 in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)