Where does “Hakhel” come from?

Hakhel (English) comes from Hebrew הַקְהֵל, from Hebrew הִקְהִיל — to assemble.

Ancestry of “Hakhel”, step by step

Step	Language	Word	Meaning
1	Hebrew	הַקְהֵל	—
2	Hebrew	הִקְהִיל	to assemble

Hakhel — Etymology, Origin & Word History | Etymology Explorer