Where does “milecastle” come from?

milecastle (English) comes from English Castle, from Middle English castel, from Old English castel, from Breton kastell, from Italian castello, from Latin castellum, from Latin castrum, from Proto-Italic kastrom — to cut off, separate; to cut up, to slaughter; to...

milecastle (English): One of a series of small rectangular...

Definitions

  1. One of a series of small rectangular...

Ancestry of “milecastle”, step by step

milecastle traces back through two separate lines of ancestry.

via English Castle

StepLanguageWordMeaning
1EnglishCastlereferring to someone who lived in or worked in a castle
2Middle Englishcastelcastle
3Old Englishcasteltown; village; castle
4Bretonkastellcastle
5Italiancastellocastle
6Latincastellumcastle, fort, citadel, fortress, stronghold; a...
7Latincastrumcastle, fort, fortress; camp, especially a...
8Proto-Italickastromknife
9Proto-Indo-Europeanḱos-tróm—
10Proto-Indo-Europeanḱes-to cut off, separate; to cut up, to slaughter; to...

via English mile

StepLanguageWordMeaning
1EnglishmileThe international mile: a unit of length...
2Middle Englishmylemile; The time it takes to walk a mile;...
3Old Englishmīlmillet; mile
4Latinmīlia—
5Proto-West Germanicmīlijumile
6LatinMīllethousand; 1000
7Proto-Italicsmīɣeslīthousand
8Proto-Indo-Europeansmih₂ǵʰéslih₂—
Every word from Proto-Indo-European ḱes- →Every word from Proto-Indo-European ḱos-tróm →Every word from Proto-Italic kastrom →