Word.ws English Dictionary

Synonyms of proto-

9 similar words

Another word for proto- is ur-. Other synonyms of proto- are atelo-, eka-, arch-, archi- and archo-.

Synonyms and similar words for proto-

prefixOriginal, older.

  • atelo-Incomplete; unfinished; defective.
  • ur-Forming words with the sense of “proto-, primitive, original”.

prefixFirst in order; which stage is first.

  • eka-Used to form prototype names for as-yet undiscovered elements, when prepended to the known element above them in the...

prefixPrimary.

prefixMost recent common ancestor (often hypothetical) of.

  • cen-Most recent common —.

prefixA minimal proportion of a particular substance when in a combination. See protosalt.

prefixA proto-metal.

Meaning of proto-

  1. prefix An early, primitive stage of development.
  2. prefix Original, older.
  3. prefix First in order; which stage is first.

Full definition of proto-

proto- in other languages

Questions about synonyms of proto-

What is another word for proto-?
Proto- has 9 synonyms on Word.ws, such as ur-, atelo-, eka-, arch-, archi-, archo-, cen- and meio-.
What does proto- mean?
Proto- means an early, primitive stage of development.

Source and license

Adapted from Wiktionary: proto- (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

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Cite this page: “Synonyms of proto-.” Word.ws, https://word.ws/synonyms/proto-. Based on Wiktionary, CC BY-SA 4.0.