Exaggerate

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mid 16th century: from Latin exaggerat- ‘heaped up’, from the verb exaggerare, from ex- ‘thoroughly’ + aggerare ‘heap up’ (from agger ‘heap’). The word originally meant ‘pile up, accumulate’, later ‘intensify praise or blame’, giving rise to current senses.

wiktionary

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From Latin exaggeratus, past participle of exaggerare(“to heap up, increase, enlarge, magnify, amplify, exaggerate”), from ex(“out, up”) + aggerare(“to heap up”), from agger(“a pile, heap, mound, dike, mole, pier, etc.”), from aggerere, adgerere(“to bring together”), from ad(“to, toward”) +‎ gerere(“to carry”).

etymonline

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exaggerate (v.)

1530s, "to pile up, accumulate," from Latin exaggeratus, past participle of exaggerare "heighten, amplify, magnify," literally "to heap, pile, load, fill," from ex, here probably "thoroughly" (see ex-), + aggerare "heap up, accumulate," figuratively "amplify, magnify," from agger (genitive aggeris) "heap," from aggerere "bring together, carry toward," from assimilated form of ad "to, toward" (see ad-) + gerere "carry" (see gest). Sense of "overstate" first recorded in English 1560s. Related: Exaggerated; exaggerating.