intercurrent
/ˌɪntəˈkʌrənt/adjective
1
- Medicine (of a disease) occurring during the progress of another disease【医】（疾病）并发的：
complicated by intercurrent infection with other microbes.
因其他病菌感染并发而恶化。
2
- rare (of a time or event) intervening〈罕〉（时期, 事件）介入的, 插入的, 介于其间的。
词源
early 17th cent.: from Latin intercurrent- 'intervening'， from the verb intercurrere.