auxiliary language

noun

1. a language, as Esperanto, Swahili, or English, used for intercommunication by speakers of various other languages.

Word History and Origins

Origin of auxiliary language¹

First recorded in 1900–05

Example Sentences

Zamenhof in the hopes of bringing a common auxiliary language to the world.

From Salon

Dreamers have long hoped for a neutral auxiliary language that is common to all.

From Economist

The motivation to learn an auxiliary language isn’t so different from why people pick up French or Italian, she said.

From New York Times

Esperanto is the International Auxiliary Language created by Dr. L. L. Zamenhof, a doctor of medicine, residing at Warsaw, Poland.

From Project Gutenberg

Instead he hit upon the idea of making a simplified form of English, thinks it has a good chance of becoming the international auxiliary language of the future.

From Time Magazine Archive