Definition of Proto

Adjective: proto  prow-tow

  1. Indicating the first, earliest or original
    "'proto' is a combining form in a word like 'protolanguage' that refers to the hypothetical ancestor of another language or group of languages"
Combining form: proto-  prow-tow
  1. First, original, beginning of

See also:
protiums
protoactinium

Anagrams containing the word proto

potro oprot topro otopr rotop