ecto- root words — words with the ecto- root

The root ecto- comes from Greek ektos, meaning outside, external. 1 words in Dendril are built from it, including ectomere. Dendril shows them on a free interactive word map — no signup, no ads.

Words that use the ecto- root

Explore words with ecto- — words containing the ecto- root and sharing its sense of "outside, external". Examples include ectomere. Click any word to see its own roots, definition, and related words.

What does ecto- mean?

The ecto- root means outside, external, from Greek ektos. Recognizing it helps you decode and remember the many English words built on this root.