Where does “ה־נ־ד־ס” come from?

ה־נ־ד־ס (Hebrew) comes from Hebrew הַנְדָּסָה — engineering.

Ancestry of “ה־נ־ד־ס”, step by step

Step	Language	Word	Meaning
1	Hebrew	הַנְדָּסָה	engineering

ה־נ־ד־ס — Etymology, Origin & Word History | Etymology Explorer