Where does “konfidensiil” come from?

konfidensiil (Indonesian) comes from Dutch confidentieel, from Dutch -eel, from French -el, from Old French -el, from Latin -ellus, from Latin -ulus, from Proto-Italic -olos, from Proto-Italic -elos — Forms agent nouns from verbal roots.

Ancestry of “konfidensiil”, step by step

StepLanguageWordMeaning
1Dutchconfidentieelconfidential
2Dutch-eelal, forms adjectives
3French-elTo make an adjectival form of a noun; -al
4Old French-elSuffix that usually denotes a masculine noun
5Latin-ellusAlternative form of -ulus; "forming masculine...
6Latin-ulusUsed to form a diminutive of a noun, indicating...
7Proto-Italic-olos
8Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
9Proto-Indo-European-e-lós
10Proto-Indo-European-lósForms agent nouns from verbal roots
Every word from Proto-Indo-European -lósEvery word from Latin -ulusEvery word from Latin -ellus