Where does “lockmaster” come from?

lockmaster (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.

lockmaster (English): Someone who is in charge of a canal lock

Definitions

  1. Someone who is in charge of a canal lock

Ancestry of “lockmaster”, step by step

lockmaster 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 Lock

StepLanguageWordMeaning
1EnglishLockfrom the surname
2Middle Englishloklock
3Old Englishlācplay, sport, strife, battle, sacrifice, offering,...
4Proto-West Germaniclaikgame, sport
5Proto-Germaniclaikazdance; game, sport; hymn
6Proto-Indo-Europeanleyǵ-to bind, tie
Every word from Proto-Indo-European -lós