noun
entity end signal
Technical computing term for a signal indicating the end of an entity in data processing or communication protocols.
実体終了信号を受信したら、データの解析を終了してください。
When you receive the entity end signal, please finish parsing the data.
Compound of 実体 (entity) + 終了 (end) + 信号 (signal). A straightforward technical term with no special historical derivation.