Where does “ĵetfermi” come from?

ĵetfermi (Esperanto) comes from Esperanto Fermi, from French fermer, from Old French fermer, from Latin firmō, from Latin Firmus, from Proto-Italic fermos, from Proto-Indo-European dʰer-mo-s, from Proto-Indo-European dʰer- — to support; to hold.

ĵetfermi (Esperanto): to slam (a door, etc.), slam (something) shut

Definitions

  1. to slam (a door, etc.), slam (something) shut

Ancestry of “ĵetfermi”, step by step

ĵetfermi traces back through two separate lines of ancestry.

via Esperanto Fermi

StepLanguageWordMeaning
1EsperantoFermito close, to shut
2Frenchfermerto shut; to close
3Old Frenchfermerto close
4Latinfirmōto make firm, strengthen, harden, fortify
5LatinFirmusstrong, powerful
6Proto-Italicfermos—
7Proto-Indo-Europeandʰer-mo-sholding
8Proto-Indo-Europeandʰer-to support; to hold

via Esperanto ĵeti

StepLanguageWordMeaning
1Esperantoĵetito throw, fling, lob, pitch
2Frenchjeterto throw; to throw away, discard of; to throw...
3Old Frenchjeterto throw
4Latiniectāre—
5Latiniactāre—
6Latiniaciōto throw, hurl, cast, fling; throw away
7Proto-Indo-European(H)yeh₁-to throw
Every word from Proto-Indo-European dʰer- →Every word from Proto-Indo-European dʰer-mo-s →Every word from Proto-Italic fermos →