ergo-

¹

especially before a vowel, erg-

1. a combining form meaning “work”.

   ergograph.

ergo-

²

1. a combining form of ergot.

   ergotoxine.

ergo

³

[ur-goh, er-goh]

adverb

1. therefore.

ergo

¹

/ ˈɜːɡəʊ /

1. therefore; hence

ergo

²

/ ˈɜːɡəʊ /

noun

1. informal,  short for ergometer

ergo

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.”

Word History and Origins

Origin of ergo¹

Combining form representing Greek érgon

Origin of ergo²

From French

Origin of ergo³

Borrowed into English from Latin around 1350–1400

Word History and Origins

Origin of ergo¹

C14: from Latin: therefore

Example Sentences

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

There is someone who writes to me almost weekly about media’s failures — and I assume, ergo, my failure — and he won’t be mollified.

From Seattle Times

They never consider, for a moment, the phrase "post hoc ergo propter hoc."

From Salon