Where does “Lancastreshire” come from?

Lancastreshire (Middle English) comes from English Lancaster, from Middle English Lancaster, from Old English ċeaster, from Latin castrum, from Proto-Italic kastrom, from Proto-Indo-European ḱos-tróm, from Proto-Indo-European ḱes- — to cut off, separate; to cut up, to slaughter; to...

Ancestry of “Lancastreshire”, step by step

Lancastreshire traces back through two separate lines of ancestry.

via English Lancaster

StepLanguageWordMeaning
1EnglishLancasterThe House of Lancaster, a dynasty of English kings and one of the opposing factions involved in the 15th century Wars of the Roses. The name comes from the fact that its members were descended from John of Gaunt, 1st Duke of Lancaster; their symbol was a red rose
2Middle EnglishLancaster
3Old Englishċeastercity, town; settlement
4Latincastrumcastle, fort, fortress; camp, especially a...
5Proto-Italickastromknife
6Proto-Indo-Europeanḱos-tróm
7Proto-Indo-Europeanḱes-to cut off, separate; to cut up, to slaughter; to...

via Old English scir

StepLanguageWordMeaning
1Old Englishsciroffice; district; administrative region, shire
2Proto-West Germanicskīruoffice, district
3Proto-Germanicskīrōoffice, district
4Proto-Indo-European(s)ker-to cut off; to turn, bend
5Proto-Indo-Europeansek-to cut, cut off, sever
Every word from Proto-Indo-European ḱes-Every word from Proto-Indo-European ḱos-trómEvery word from Proto-Italic kastrom
Lancastreshire — Etymology, Origin & Word History | Etymology Explorer