Definition:
“Repetition of conjunctions in close succession”
"Polysyndeton." Merriam Webster, www.merriam-webster.com/dictionary/polysyndeton. Accessed 29 Aug. 2022.
Informal:
Polysyndeton is when an author repeats a conjunction several times in a phrase or clause, when all the conjunctions are not necessary or needed.
“Neither snow nor rain nor heat nor gloom of night stays these couriers from the swift completion of their appointed rounds” -Herodotus
"What is the History Behind the Unofficial USPS Motto?" USPS Blog, 11 Sept. 2015, uspsblog.com/how-is-new-york-city-related-to-famous-postal-quote/. Accessed 6 Sept. 2022.
Etymology:
"New Latin, from Late Greek, neuter of polysyndetos using many conjunctions, from Greek poly- + syndetos bound together"
"Polysyndeton." Merriam Webster, www.merriam-webster.com/dictionary/polysyndeton. Accessed 29 Aug. 2022.
Sarah M