English
herdthink
From herd + think.
Proto-Indo-European *(s)kerdʰ- ‘file, row, herd’
Proto-Germanic *herdō
Proto-West Germanic *herdu
Old English hierd ‘herd, flock’
Middle English herde
English herd
Proto-Indo-European *teng- ‘to think’
Proto-Germanic *þankijaną ‘to think’
Proto-West Germanic *þankijan ‘to think’
Old English þenċan ‘to think’
Middle English thinken ‘to think’
English think
Today it means
noun Reasoning based on or characteristic of uncritical acceptance of or conformity to a perceived majority view.
Language periods are conventional ranges, not dates for this word.
Etymograph / herdthink