Where does “ekgrimpi” come from?

ekgrimpi (Esperanto) comes from Esperanto grimpi, from French grimper, from Middle French grimper, from Middle French gripper.

ekgrimpi (Esperanto): to start to climb

Definitions

Step	Language	Word	Meaning
1	Esperanto	grimpi	to climb
2	French	grimper	to climb, climb up
3	Middle French	grimper	—
4	Middle French	gripper	—

ekgrimpi — Etymology, Origin & Word History | Etymology Explorer