Where does “ملاحظة” come from?

ملاحظة (Arabic) comes from Arabic لاحظ, from Arabic ح — ب; ج.

ملاحظة (Arabic): verbal noun of لَاحَظَ

Definitions

Step	Language	Word	Meaning
1	Arabic	لاحظ	to notice
2	Arabic	ح	ب; ج

ملاحظة — Etymology, Origin & Word History | Etymology Explorer