Word Type

Prefix

The word "proto-" can be used as a prefix.

Word Relationships

Coordinate Terms

deuter deutero eteo tetart tetarto trit trito

Derived Terms

Proto-Baltic Proto-Celtic Proto-Czech Proto-Germanic Proto-Greek Proto-Indo-Aryan Proto-Indo-European Proto-Indo-Iranian Proto-Italic Proto-Kiranti Proto-Norse Proto-Oceanic Proto-Pontic Proto-Semitic Proto-Slavic Proto-Turkic Proto-Uralic proto-language protocarbonate protoethics protoindustrial protophysics protoplasm protosymbol protosymbolic protosymbolism prototype protozoon

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.