DictionaryRoot: placare
Latin
placare
to calm, appease
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verb
supplicate
SUP-luh-kayt/ˈsʌpləˌkeɪt/
To ask humbly and earnestly for help or mercy.
Etymology
Latin combined “under” with “appease” in a verb meaning “beg humbly.” The English verb preserves that connection between seeking favor and making an earnest, deferential appeal.