词根词缀：agryp-

【来源及含义】Greek: sleeplessness, wakefulness; originally, it meant "sleeping in the field"

【同源单词】agrypnetic, agrypnia, agrypnia senilis, agrypnocoma, agrypnode, agrypnotic

词根词缀：vigi-, vig-

【来源及含义】Latin: watchful, wakeful, alert

【同源单词】electronic article surveillance, electronic surveillance, Estot vigilans, invigilate, invigilation, reveille