Definition - Using a series of three similarly-structured elements, such as clauses, that have the same length.
Note: For information about the term's rhetorical sense, see colon (rhetoric).

Example -
Let's dine, let's dance, let's kiss.

Etymology -
The word derives from the Greek tri, three + kolon, clause.

Oxford English Dictionary -
Its first citation is from 1706:
"Tricolon, … a Stanza, or Staff of three Verses."
(Phillips, The New World of Words (ed. Kersey))

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