Where does “master-craftsman” come from?

master-craftsman (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.

Ancestry of “master-craftsman”, step by step

master-craftsman 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 craftsman

StepLanguageWordMeaning
1EnglishcraftsmanOne who is highly skilled at one's trade; an...
2EnglishcraftStrength; power; might; force; Intellectual...
3Germankrafton the basis of; by virtue of; by means of,...
4Middle High Germankraft
5Old High Germankraft
6Proto-West Germanickraftustrength, power; skill
7Proto-Germanickraftuzstrength, power
8Proto-Germanic-þuzForms result nouns from verb roots, usually from...
9Proto-Indo-European-tusDerives action nouns from verb roots
Every word from Proto-Indo-European -lósEvery word from Latin -ulusEvery word from Latin mateola