Where does “buku nota” come from?

buku nota (Malay) comes from English notebook, from English Book, from German būch, from Middle High German buoch, from Old High German buoh, from Proto-Germanic bōk, from Proto-Germanic bakaną, from Proto-Indo-European bʰeh₃g- — to bake, to roast, to fry.

Ancestry of “buku nota”, step by step

buku nota traces back through two separate lines of ancestry.

via English notebook

StepLanguageWordMeaning
1EnglishnotebookA book in which notes or memoranda are written;...
2EnglishBookthe Bible
3Germanbūchbook collection of sheets of paper bound together to hinge at one edge; long work fit for publication
4Middle High Germanbuoch
5Old High Germanbuohbook
6Proto-Germanicbōk
7Proto-Germanicbakanąto bake
8Proto-Indo-Europeanbʰeh₃g-to bake, to roast, to fry

via Malay buku

StepLanguageWordMeaning
1Malaybukubook; a lumpy joint; a small block of something
2Dutchboekbook; omasum
3Middle Dutchboecbook; book, tome, volume
4Old Dutchbuok
Every word from Proto-Indo-European bʰeh₃g-