mid-14c., prompten, from Latin promptus, past participle of promere "to bring forth," from pro "forward" (from PIE root *per- (1) "forward") + emere "to take" (from PIE root *em- "to take, distribute"). Theatrical sense of "to assist a speaker with lines" is first recorded early 15c. Related: Prompted; prompting.
prompt (n.)
early 15c., "readiness," from Latin promptus (see prompt (v.)). Meaning "hint, act of prompting" is from 1590s. Computer sense attested by 1977.
prompt (adj.)
early 15c., from Old French prompt and directly from Latin promptus "brought forth," hence "visible, apparent, evident," past participle of promere "to take or bring out or forth" (see prompt (v.)).Related: Promptly; promptitude.
She prompted me to call my relatives
the train is prompt
she is always prompt to help her friends
a prompt reply
the audience could hear his prompting
promontory
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promptness
promulgate
promulgation
pronate