distich
Concise Oxford English Dictionary © 2008 Oxford University Press:
distich /ˈdɪstɪk/
▶noun Prosody a pair of verse lines; a couplet.
– origin C16: via L. from Gk distikhon (metron) ‘(measure) of two lines’, neut. of distikhos, from di- ‘twice’ + stikhos ‘line’.
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