instantiation

Etymology

20th-century coinage from instantiate + -tion, itself coined 1946 from instance + -ate. The latter, in the sense "a case, an example", from Middle English instance, from Medieval Latin īnstantia (“a being near, presence; also perseverance, earnestness, importunity, urgency”), from Latin īnstāns (“urgent”); see English instant.

noun

1. (uncountable) The production of an instance, example, or specific application of a general classification, principle, theory, etc.
2. (countable) Something resulting from the act of instantiating; an instance.
   I can name numerous instantiations of this gift of luck at work in my hostʼs life. 2019, Chigozie Obioma, An Orchestra of Minorities, Abacus (2019), page 150
3. (by extension, object-oriented programming) Creation of an instance of some class or template.