noun
founding member; initial member
Colloquial abbreviation of 初期メンバー, commonly used for the original members of a music group, band, or similar team.
See also: 初期メンバー
あのバンドの初期メンはもう二人しか残っていない。
Only two of that band's founding members remain.
初期メンだけで同窓会を開いた。
We held a reunion with just the original members.