Where does “subterfervojo” come from?

subterfervojo (Esperanto) comes from Esperanto fervojo, from Esperanto fero, from Latin ferrum, from Cornish -er, from English -er, from Middle English -er, from Old French -er, from Latin -āre — he, she.

subterfervojo (Esperanto): underground railway, underground, subway

Definitions

  1. underground railway, underground, subway

Ancestry of “subterfervojo”, step by step

subterfervojo traces back through two separate lines of ancestry.

via Esperanto fervojo

StepLanguageWordMeaning
1Esperantofervojorailway
2Esperantoferothe chemical element iron
3Latinferrumiron; any tool made of iron; fight, clash
4Cornish-erForms masculine agent nouns
5English-erA person or thing that does an action indicated...
6Middle English-eragentive suffix; agent noun suffix
7Old French-erAlternative form of -ier, verbal suffix;...
8Latin-ārefirst conjugation
9Proto-Italic-āōForms primarily denominative verbs
10Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
11Proto-Indo-European-yétiCreates intransitive, often deponent,...
12Proto-Indo-Europeanyé-
13Chichewaiyehe, she

via Esperanto subtera

StepLanguageWordMeaning
1Esperantosubteraunderground
2Esperantosubunder, below
3Latinsubunder, beneath; behind; at the feet of
4Proto-Italicsupounder
5Proto-Indo-Europeanupóunder, below
6Proto-Indo-Europeanh₃ewp-
Every word from Chichewa iyeEvery word from English -erEvery word from Proto-Indo-European -yéti