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onto-

Existence or being.

Greek ōn, ont‑, being.

Ontogenesis (Greek genesis, birth) is the development of an individual organism or anatomical or behavioural feature from the earliest stage to maturity; ontogeny is the branch of biology that deals with ontogenesis, while ontology is the branch of metaphysics dealing with the nature of being.

Copyright © Michael Quinion 2008–. All rights reserved. Your comments are very welcome.