Where does “fermilo” come from?
fermilo (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.
fermilo (Esperanto): lock; fastener
Ancestry of “fermilo”, step by step
Words derived from “fermilo”