um- root words — words with the um- root

The root um- comes from Latin trium, meaning of three. 1 words in Dendril are built from it, including triumvir. Dendril shows them on a free interactive word map — no signup, no ads.

Words that use the um- root

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

What does um- mean?

The um- root means of three, from Latin trium. Recognizing it helps you decode and remember the many English words built on this root.