Metamorphosis

Etymology

First attested in 1533, from Latin metamorphōsis, from Ancient Greek μεταμόρφωσις (metamórphōsis), from μετά (metá, “change”) + μορφή (morphḗ, “form”). Analyzable as meta- +‎ -morph +‎ -osis

Suffix

-osis (noun-forming suffix, plural oses)

1. (pathology) functional disease or condition such as hepatosis
2. process, action such as phagocytosis
3. formation, increase such as leukocytosis