Where does “sketchmaster” come from?

sketchmaster (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.

sketchmaster (English): An instrument for transferring photographic data onto a map (as in photogeology), operating on the camera lucida principle

Definitions

  1. An instrument for transferring photographic data onto a map (as in photogeology), operating on the camera lucida principle

Ancestry of “sketchmaster”, step by step

sketchmaster 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 sketch

StepLanguageWordMeaning
1EnglishsketchTo make a brief, basic drawing; To describe...
2Dutchschetssketch
3Italianschizzosquirt, splash; stain, spot, flake; sketch
4Latinschedium
5Ancient Greekσχέδιοςnear, close; temporary, offhand, casual,...
6Ancient Greekσχεδόνnear, nearby; nearly, almost
7Ancient GreekἔχωI have, possess, contain, own; I hold; I have...
8Proto-Hellenichékʰōto have
9Proto-Indo-Europeanseǵʰ-to hold; to overpower
Every word from Proto-Indo-European -lósEvery word from Latin -ulusEvery word from Latin mateola