ergo-

¹ American  

especially before a vowel, erg-

1. a combining form meaning “work”.

   ergograph.

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ergo- ² American  

1. a combining form of ergot.

   ergotoxine.

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ergo ³ American  

[ur-goh, er-goh] / ˈɜr goʊ, ˈɛr goʊ /

adverb

1. therefore.

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ergo ¹ British  

/ ˈɜːɡəʊ /

1. therefore; hence

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ergo ² British  

/ ˈɜːɡəʊ /

noun

1. informal  short for ergometer

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ergo Cultural  

1. Latin word meaning “therefore”; usually used to show a logical conclusion: “Birds are warm-blooded animals, and reptiles are cold-blooded animals; ergo, no bird is a reptile.”

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Etymology

Origin of ergo-¹

Combining form representing Greek érgon

Origin of ergo-¹

From French

Origin of ergo¹

Borrowed into English from Latin around 1350–1400

Example Sentences

The state claimed in response that it is regulating business conduct, not speech—ergo, the First Amendment doesn’t apply.

From The Wall Street Journal

She is a character in a workplace comedy and ergo utterly resigned to the job being hell.

From The Wall Street Journal

Let’s give the last word, plus one of mine, to the famous phrase of French philosopher and scientist Rene Descartes: “Cogito ergo sum ridens” — “I think, therefore I am laughing.”

From Los Angeles Times

This has been a quality year — ergo, the following list, presented in random order, shoehorns 18 series into 10 more or less themed slots.

From Los Angeles Times

Post hoc ergo propter hoc, external is an informal fallacy that states that because an event followed another, it was caused by it.

From BBC