Where does “הסתדרות” come from?

הסתדרות (Hebrew) comes from Hebrew הִסְתַּדֵּר, from Hebrew ס־ד־ר.

הסתדרות (Hebrew): An organization, a union: a large group of people...

Definitions

Step	Language	Word	Meaning
1	Hebrew	הִסְתַּדֵּר	—
2	Hebrew	ס־ד־ר	—

הסתדרות — Etymology, Origin & Word History | Etymology Explorer