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English word questionnaire comes from Latin quaere, Latin -arium, and later Latin quaestionarius ((Late Latin) a torturer or executioner.)
quaere (Latin)
-arium (Latin)
Used to form nouns denoting a "place where things are kept" from other nouns.
quaestionem (Latin)
quaestionarius (Latin)
(Late Latin) a torturer or executioner.
quaestiono (Latin)
quaestionarius (Late Latin)
questionnaire (French)
Questionnaire.
questionnaire (English)
To survey using questionnaires A form containing a list of questions; a means of gathering information for a survey.