PROTOTYPE
Meaning of PROTOTYPE in English
noun
1.
Synonyms: original 1, archetype, protoplast
2.
Synonyms: forerunner 2, ancestor, antecedent, antecessor, foregoer, precursor, predecessor
Merriam Webster.
Collegiate thesaurus English vocabulary.
Английский энциклопедический словарь тезаурус.
2003