Regulation
来自Big Physics
late Middle English (in the sense ‘control by rules’): from late Latin regulat- ‘directed, regulated’, from the verb regulare, from Latin regula ‘rule’.
wiktionary
From regulate + -ion.
etymonline
regulation (n.)
1670s, "act of regulating; state of being reduced to order," noun of action from regulate. Meaning "a rule for management prescribed by a superior or competent authority" is from 1715. As an adjective, "having a fixed pattern; in accord with a rule or standard," by 1836. Related: Regulations.
