/pro?.t?o?-/first,especiallyfrom which othersimilarthingsdevelop;original:第一,首要;原始protoplasm原生质aprototype原型SMART Vocabulary: related words and phrasesFirst and firstly
at first blushidiom
at firstidiom
begin
blush
first come, first servedidiom
from the word goidiom
front end
in thefirst/secondplaceidiom
inaugural
initial
initially
place
prefatory
primary
prototypical
start
starter
to begin withidiom
trailblazing
word
See more results ?(Definition ofproto-from theCambridge Advanced Learner's Dictionary & Thesaurus? Cambridge University Press)#https://dictionary.cambridge.org//dictionary/english/proto##