Selfsameness

noun

Definitions

Noun
  1. 1
    The property of two or more appearances of being of the selfsame underlying object; sameness as regards self or identity; identity; identicality. uncountable

    "There is no doubt about the selfsameness of the morning Sun with the evening Sun."

  2. 2
    the quality of being identical with itself wordnet

Etymology

From selfsame + -ness.

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