The story
- Latin · borrowed fromregulatus
- English todayregulate
Borrowed from Latin regulatus, perfect passive participle of regulō (“to direct, rule, regulate”) (see -ate (verb-forming suffix)), from regula (“rule”), from regō (“to keep straight, direct, govern, rule”). Compare regle, rail. Displaced native Old English metegian.
Etymology from Wiktionary, CC BY-SA 4.0.