er- root words — words with the er- root

The root er- comes from German ether, meaning ether. 1 words in Dendril are built from it, including ester. Dendril shows them on a free interactive word map — no signup, no ads.

Words that use the er- root

Explore words with er- — words containing the er- root and sharing its sense of "ether". Examples include ester. Click any word to see its own roots, definition, and related words.

What does er- mean?

The er- root means ether, from German ether. Recognizing it helps you decode and remember the many English words built on this root.