Where does “cadet house” come from?

cadet house (English) comes from English cadet, from French cadet, from French capdet, from Latin capitellum, from Latin -ellus, from Latin -ulus, from Proto-Italic -olos, from Proto-Italic -elos — Forms agent nouns from verbal roots.

Ancestry of “cadet house”, step by step

cadet house traces back through two separate lines of ancestry.

via English cadet

StepLanguageWordMeaning
1EnglishcadetA student at a military school who is training to...
2Frenchcadetyoungest; cadet, student officer; junior...
3Frenchcapdetchief, captain
4Latincapitellumsmall head; capital or chapiter of a column
5Latin-ellusAlternative form of -ulus; "forming masculine...
6Latin-ulusUsed to form a diminutive of a noun, indicating...
7Proto-Italic-olos
8Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
9Proto-Indo-European-e-lós
10Proto-Indo-European-lósForms agent nouns from verbal roots

via English House

StepLanguageWordMeaning
1EnglishHouseA particular chamber of political representation
2Middle Englishhoushouse, residence; house of worship, temple;...
3Old Englishhūsdwelling, shelter, house; house
4Proto-West Germanichūshouse
5Proto-Germanichūsąhouse
6Proto-Indo-European(s)kewH-to cover, bedeck; cover
Every word from Proto-Indo-European -lósEvery word from Latin -ulusEvery word from Latin -ellus
cadet house — Etymology, Origin & Word History | Etymology Explorer