the.com/guard dog

Alarm system that also loves you, bites intruders, and sheds on the couch.

means A dog kept and trained specifically to protect people or property by watching, barking, and if needed, attacking intruders.

from Straightforward compound of 'guard' and 'dog.' 'Guard' comes through French 'garder' (to watch over, keep safe), tracing back to a Germanic root shared with 'ward' and 'warden' — all about watching and protecting. 'Dog' is a common Old English word of murky origin — oddly, nobody's fully sure where it came from, which is funny for a word so basic. The phrase itself is a plain, functional label, probably as old as the practice of keeping dogs specifically for protection rather than hunting or herding — humans figuring out early on that a loyal, loud, toothy animal is excellent home security.

actual deterrent
burglars fear barking more than alarms
breed myth
small dogs often bark loudest, longest
training gap
most are deterrence, not attack trained
best alert
notices strangers before any sensor does
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