Apnea

Part of speech: noun

Pronunciation: /ˈæp.ni.ə/

Definitions

1. A medical disorder marked by instances where breathing temporarily stops, which can happen during rest or wakefulness and may result in low oxygen levels
2. This condition features recurrent breath halts occurring during sleep or while conscious, potentially leading to adverse health effects
3. A condition characterized by brief interruptions in the act of breathing, which may occur during sleep or while awake

Etymology: The Greek word "apnoia" meant "want of breath" or "breathlessness," built from "a-," meaning "absence of," and "pnoe," meaning "breathing." Ancient physicians used it for the sensation of being out of breath, and the root "pnein," "to breathe" or "blow," also gave English words like "pneumatic" and "pneumonia." The "-pnea" ending in modern medicine carries that same root. The word reached modern medicine through New Latin "apnoea," a form that scientists and doctors used to name a specific condition, not an ordinary feeling of breathlessness. Clinicians adopted it to describe breathing that stops or pauses, a sense that shifted from a symptom felt by the person to a measurable event observed by others. The English form, with its "-ea" spelling, follows that Latin route. Today the word names the condition in which breathing halts repeatedly during sleep or waking hours.

Synonyms: suspension of breathing, breathlessness, respiratory arrest