The word for today is…
behest (noun):
1 : an authoritative order : command
2 : an urgent prompting
Source : Merriam -Webster
Etymology : Behest first appeared in Old English and was formed from the prefix be- and the verb hatan (“to command” or “to promise”). While this word was originally used only in the sense of “promise,” it acquired the additional sense of “command” among speakers of Middle English. Among contemporary English speakers, behest is no longer used in the sense of “promise” but rather denotes an authoritative or urgent request or command. Old English hatan also gave English the now-archaic words hest (meaning “command”) and hight (“being called or named”).
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