Where does “flamethrower” come from?

flamethrower (English) comes from English flame, from Middle English flawme, from Middle English flaume, from Old French flamble, from Latin flammula, from Latin flamma, from Latin flāgrāre, from Latin frāgrō — to smell.

flamethrower (English): A device that projects a flame for starting fires, and sometimes also additional fuel to help ignition. Used either as a weapon or a tool

Definitions

  1. A device that projects a flame for starting fires, and sometimes also additional fuel to help ignition. Used either as a weapon or a tool

Ancestry of “flamethrower”, step by step

flamethrower traces back through 3 separate lines of ancestry.

via English flame

StepLanguageWordMeaning
1EnglishflameThe visible part of fire; a stream of burning...
2Middle EnglishflawmeA flame; a visible tongue of gas and vapour...
3Middle EnglishflaumeAlternative form of flawme; Alternative form of...
4Old Frenchflamble
5Latinflammulaa little flame
6Latinflammaflame, fire
7Latinflāgrāre
8Latinfrāgrōto emit a smell of, to smell of, to be redolent of, to reek of
9Proto-Italicfrāgrāō
10Proto-Indo-Europeanbʰreh₂gro-
11Proto-Indo-Europeanbʰreh₂g-to smell

via English thrower

StepLanguageWordMeaning
1EnglishthrowerSomeone who throws; Something that throws; One...
2English-erA person or thing that does an action indicated...
3Middle English-eragentive suffix; agent noun suffix
4Old French-erAlternative form of -ier, verbal suffix;...
5Latin-ārefirst conjugation
6Proto-Italic-āōForms primarily denominative verbs
7Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
8Proto-Indo-European-yétiCreates intransitive, often deponent,...
9Proto-Indo-Europeanyé-
10Chichewaiyehe, she

via German Flammenwerfer

StepLanguageWordMeaning
1GermanFlammenwerferflamethrower; blowlamp; flame gun
2German-erForms agent nouns etc. from verbs, suffixed to...
3Old High German-āriused to form agent nouns
4Proto-West Germanic-ārī-er
5Proto-Germanic-ārijaz-er
6Latin-āriuser
7Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)
Every word from Proto-Indo-European bʰreh₂g-Every word from Proto-Indo-European bʰreh₂gro-Every word from Proto-Italic frāgrāō