Response
Middle English: from Old French respons or Latin responsum ‘something offered in return’, neuter past participle of respondere (see respond).
wiktionary
From Middle English respounse, respons, from Old French respons, respuns, responce, ultimately from the Latin respōnsum, a nominal use of the neuter form of respōnsus, the perfect passive participle of respondeō, from re(“again”) + spondeō(“promise”).
etymonline
response (n.)
c. 1300, respounse, "an answer, a reply," from Old French respons (Modern French réponse) and directly from Latin responsum "an answer," noun use of neuter past participle of respondere "respond, answer to, promise in return," from re- "back" (see re-) + spondere "to pledge" (see sponsor (n.)).
The transferred sense, of feelings or actions, is from 1815 in poetry and psychology. The meaning "a part of the liturgy said or sung by the congregation in reply to the priest" is by 1650s. Response time attested from 1958.
