English
superfold
From super- + fold.
Proto-Indo-European *pel- ‘to fold’
Proto-Germanic *falþaną ‘to fold’
Proto-West Germanic *falþan ‘to fold’
Old English fealdan ‘to fold’
Middle English folden ‘to fold’
English fold
Today it means
noun A large grouping of protein fold conformations
Language periods are conventional ranges, not dates for this word.
Etymograph / superfold