Where does “giantkiller” come from?

giantkiller (English) comes from English killer, from English -er, from Middle English -er, from Old French -er, from Latin -āre, from Proto-Italic -āō, from Proto-Indo-European -eh₂yéti, from Proto-Indo-European -yéti — he, she.

giantkiller (English): One who slays a giant

Definitions

  1. One who slays a giant

Ancestry of “giantkiller”, step by step

giantkiller traces back through two separate lines of ancestry.

via English killer

StepLanguageWordMeaning
1EnglishkillerOne who or that which kills; That which causes...
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 English giant

StepLanguageWordMeaning
1EnglishgiantA mythical human of very great size;...
2Middle EnglishgeauntA giant; A immoral or despicable person
3Old Frenchgaianta giant
4Vulgar Latin*gagantem
5Latingigantemaccusative singular of gigāns
6Ancient GreekΓίγαςone of the Gigantes; a Gigas
7Ancient GreekΓίγᾱς
Every word from Chichewa iyeEvery word from English -erEvery word from Proto-Indo-European -yéti