tacho-

1. a combining form meaning “speed,” used in the formation of compound words:

   tachometer.

tacho-

combining_form

1. speed

   tachometer

   tachograph

Word History and Origins

Origin of tacho-¹

Combining form representing Greek táchos; akin to tachýs swift

Word History and Origins

Origin of tacho-¹

from Greek takhos

Example Sentences

Tacho lived a considerable time at the court of Ochus, without any steps being taken to restore him to his former position.

From Project Gutenberg