Understanding the Origins of German Idioms

The German language is rich with proverbs, idioms, and weather sayings. Idioms, in particular, are expressions whose meaning cannot be deduced from the literal meaning of their words. They often use metaphors and can be regionally diverse.

Idioms vs. Proverbs and Weather Sayings

• Proverbs: Typically complete sentences that offer a lesson based on experience.
• Idioms: Phrases composed of several words that form part of a sentence. Their overall meaning differs from the literal meaning of individual words (e.g., “to have a bird” in German implies being crazy).
• Weather Sayings: Relate to weather and its agricultural impact, often rhyming.

This guide focuses on the origins and history of three specific German idioms.

1. “Die Katze im Sack kaufen” (To buy a cat in a bag)

• Meaning: To purchase something or close a deal without prior inspection, risking being deceived.
• Origin: In the past, market vendors would sometimes deceive buyers by selling them a cat instead of a promised piglet, rabbit, or hen. The “worthless” cat was stuffed into a sack to facilitate the fraud, leading to an unpleasant surprise for the buyer upon opening it at home.

2. “Das ist mir durch die Lappen gegangen” (It slipped through my rags/nets)

• Meaning: To miss an opportunity or let a chance pass by.
• Origin: This idiom originates from hunting practices. During driven hunts, ropes with colorful fabric scraps were stretched between trees to guide animals into a confined area. If an animal managed to escape through these “rags,” it literally slipped through the hunters’ deterrents.

3. “Zu allem seinen Senf dazugeben” (To add one’s mustard to everything)

• Meaning: To offer unsolicited opinions or interfere in every conversation or discussion.
• Origin: Likely from the 17th century when mustard was a valuable spice. Innkeepers would add mustard to many dishes to enhance their perceived quality, regardless of whether guests wanted it. Similar to mustard being added to any meal, some people offer their opinions uninvited, leading to this idiom.