Etymology
Advertisement
amplify (v.)
early 15c., "to enlarge, expand, increase," from Old French amplifier (15c.), from Latin amplificare "to enlarge," from amplus "large" (see ample) + combining form of facere "to make, do" (from PIE root *dhe- "to set, put"). Meaning "augment in volume or amount" is from 1570s. Restriction of use to sound seems to have emerged from c. 1915 in reference to radio technology.
Related entries & more 
Advertisement
amplifier (n.)
1540s; agent noun from amplify. Electronic sense is from 1914; shortened form amp is from 1967. Alternative stentorphone (1921) did not catch on.
Related entries & more 
*dhe- 

*dhē-, Proto-Indo-European root meaning "to set, put."

It forms all or part of: abdomen; abscond; affair; affect (v.1) "make a mental impression on;" affect (v.2) "make a pretense of;" affection; amplify; anathema; antithesis; apothecary; artifact; artifice; beatific; benefice; beneficence; beneficial; benefit; bibliothec; bodega; boutique; certify; chafe; chauffeur; comfit; condiment; confection; confetti; counterfeit; deed; deem; deface; defeasance; defeat; defect; deficient; difficulty; dignify; discomfit; do (v.); doom; -dom; duma; edifice; edify; efface; effect; efficacious; efficient; epithet; facade; face; facet; facial; -facient; facile; facilitate; facsimile; fact; faction (n.1) "political party;" -faction; factitious; factitive; factor; factory; factotum; faculty; fashion; feasible; feat; feature; feckless; fetish; -fic; fordo; forfeit; -fy; gratify; hacienda; hypothecate; hypothesis; incondite; indeed; infect; justify; malefactor; malfeasance; manufacture; metathesis; misfeasance; modify; mollify; multifarious; notify; nullify; office; officinal; omnifarious; orifice; parenthesis; perfect; petrify; pluperfect; pontifex; prefect; prima facie; proficient; profit; prosthesis; prothesis; purdah; putrefy; qualify; rarefy; recondite; rectify; refectory; sacrifice; salmagundi; samadhi; satisfy; sconce; suffice; sufficient; surface; surfeit; synthesis; tay; ticking (n.); theco-; thematic; theme; thesis; verify.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit dadhati "puts, places;" Avestan dadaiti "he puts;" Old Persian ada "he made;" Hittite dai- "to place;" Greek tithenai "to put, set, place;" Latin facere "to make, do; perform; bring about;" Lithuanian dėti "to put;" Polish dziać się "to be happening;" Russian delat' "to do;" Old High German tuon, German tun, Old English don "to do."

Related entries & more 
preamplifier (n.)

"a device designed to amplify a weak source and pass it to another amplifier," 1929, from pre- + amplifier. Shortened form pre-amp is attested by 1957.

Related entries & more 
exaggerate (v.)
Origin and meaning of exaggerate
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.
Related entries & more 
Advertisement
exaggeration (n.)
Origin and meaning of exaggeration

"unreasonable or extravagant amplification," 1560s, from Latin exaggerationem (nominative exaggeratio) "elevation, exaltation" (figurative), noun of action from past-participle stem of exaggerare "amplify, magnify," literally "heap up" (see exaggerate).

Related entries & more