Etymology
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intersperse (v.)
1560s, from Latin interspersus "strewn, scattered, sprinkled upon," past participle of *interspergere, from inter- "between" (see inter-) + spargere "to scatter" (see sparse). Related: Interspersed; interspersing.
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lard (v.)
"prepare (meat) for roasting by inserting pieces of salt pork, etc., into it," mid-14c., from Old French larder "to lard, cook with strips of bacon fat" (12c.), from larde "bacon fat" (see lard (n.)). The inserted bacon strip is a lardon or lardoon (from French). Figuratively, of speech or writing, "intersperse with material by way of ornament or improvement," from 1540s. Related: Larded; larding.
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