Where does “aerkastelo” come from?

aerkastelo (Esperanto) comes from Esperanto kastelo, from Latin castellum, 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...

aerkastelo (Esperanto): castle in the air; pipe dream

Definitions

  1. castle in the air; pipe dream

Ancestry of “aerkastelo”, step by step

aerkastelo traces back through two separate lines of ancestry.

via Esperanto kastelo

StepLanguageWordMeaning
1Esperantokastelocastle
2Latincastellumcastle, fort, citadel, fortress, stronghold; a...
3Latincastrumcastle, fort, fortress; camp, especially a...
4Proto-Italickastromknife
5Proto-Indo-Europeanḱos-tróm
6Proto-Indo-Europeanḱes-to cut off, separate; to cut up, to slaughter; to...

via Esperanto aero

StepLanguageWordMeaning
1Esperantoaeroair
2Latināērair
3Ancient Greekἀήρmist; air; wind
4Ancient Greekauhḗr
Every word from Proto-Indo-European ḱes-Every word from Proto-Indo-European ḱos-trómEvery word from Proto-Italic kastrom