noun, noun which may take the genitive case particle 'no'
early period; initial stage; beginning
Refers to the first phase of a process, period, or system. Commonly used with の to modify nouns (e.g., 初期の症状).
In the initial plan, it was on a much smaller scale.
この病気は初期に発見すれば治りやすい。
If this disease is detected in its early stages, it is easier to cure.
Noticing the early symptoms is the key to early treatment.
He has been involved in this project since the early stage.
earliest stage; very beginning; initial phase
founding member; initial member