the.com/uneasiness
The body's quiet memo that something's wrong before the mind reads it.
means A vague, restless discomfort or worry that lacks a clear, nameable cause.
from Built from un- plus ease, the Old French aise meaning comfort or elbow room — so literally a lack of room to relax in.
Gut senseOften felt physically before consciously understood.
Useful alarmEvolved as low-grade threat detection.
Not fearFear names its enemy; uneasiness can't.