Where does “trenchmaster” come from?

trenchmaster (English) comes from English trench, from Old French trenche, from Old French trenchier, from Vulgar Latin trinicare, from Latin trini, from Latin tres, from English three, from Middle English thre.

trenchmaster (English): A chief military engineer

Definitions

  1. A chief military engineer

Ancestry of “trenchmaster”, step by step

trenchmaster traces back through two separate lines of ancestry.

via English trench

StepLanguageWordMeaning
1EnglishtrenchA long, narrow ditch or hole dug in the ground; A...
2Old Frenchtrenchetrench; first-person singular present indicative...
3Old Frenchtrenchierto cut
4Vulgar Latintrinicarecut into three parts; cut in three parts
5Latintrininominative masculine plural of trīnus; genitive...
6Latintresthree; 3
7EnglishthreeA numerical value after two and before four....
8Middle Englishthrethree
9Old Englishþrīthree
10Proto-West Germanicþrīʀthree
11Proto-Germanicþrīzthree
12Proto-Indo-European*tréyes

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
Every word from Proto-Indo-European *tréyes