Meanings
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Verb forms
Verb forms are not available for this word yet.
Thesaurus
Synonyms
1
noun
· an instruction that says...
regulation
Word family
Forms
ruledrules
Appears in
Simplified etymology
Rule is recorded from Middle English and goes back to Latin regula, “straight stick,” and beyond that to regere, “to rule.” The older sense of a measuring stick remains in expressions such as “run the rule over” and “rule of thumb.”
Etymology
From Middle English reule, rewle, rule, borrowed from Old French riule, reule, from Latin regula (“straight stick, bar, ruler, pattern”), from regō (“to keep straight, direct, govern, rule”), ultimately from Proto-Indo-European *h₃réǵeti (“to straighten; right”), from the root *h₃reǵ-; see regent. Doublet of rail, regal, regula, and rigol.
*h₃reǵ-
Proto-Indo-European
reule
Middle English
riule
Old French
regula
Latin
*h₃réǵeti
Proto-Indo-European
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