Where does “subtilajo” come from?
subtilajo (Ido) comes from Ido subtila, from Esperanto subtila, from Latin subtīlis, from Latin tēla, from Old Dutch tegela, from Proto-Germanic *tigulā, from Proto-Germanic tigulǭ, from Latin tēgula — to cover; pole, stick, beam.
subtilajo (Ido): subtlety, subtle thing
Ancestry of “subtilajo”, step by step