Where does “rackmaster” come from?

rackmaster (English) comes from English Master, from English Mast, from French masse, from Old French mace, from Vulgar Latin mattia, from Latin mateola, from Latin -ulus, from Proto-Italic -olos — Forms agent nouns from verbal roots.

rackmaster (English): The person who operates a rack instrument of torture

Definitions

  1. The person who operates a rack instrument of torture

Ancestry of “rackmaster”, step by step

rackmaster traces back through two separate lines of ancestry.

via English Master

StepLanguageWordMeaning
1EnglishMasterPrepended to a boy's name or surname as a form...
2EnglishMast
3Frenchmassea paste, a dough; large amount or quantity of...
4Old Frenchmacemace weapon
5Vulgar Latinmattia
6LatinmateolaThe meaning of this term is uncertain....
7Latin-ulusUsed to form a diminutive of a noun, indicating...
8Proto-Italic-olos
9Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
10Proto-Indo-European-e-lós
11Proto-Indo-European-lósForms agent nouns from verbal roots

via English rack

StepLanguageWordMeaning
1EnglishrackA series of one or more shelves, stacked one...
2Old Englishreċċanto stretch, extend; to stretch out, extend
3Proto-West Germanicrakkjanto stretch, to straighten
4Proto-Germanicrakjanąto stretch, to straighten
5Proto-Indo-Europeanh₃roǵéyetito straighten, to make straight, to cause to be...
6Proto-Indo-European-éyetiForms causative imperfective verbs from roots;...
7Proto-Indo-European-yetiCreates transitive imperfective verbs from roots
Every word from Proto-Indo-European -lósEvery word from Latin -ulusEvery word from Latin mateola