Where does “refreynen” come from?

refreynen (Middle English) comes from Latin refrener, from Latin refrēnāre, from Latin frēnāre.

Ancestry of “refreynen”, step by step

Step	Language	Word	Meaning
1	Latin	refrener	first-person singular present passive subjunctive...
2	Latin	refrēnāre	—
3	Latin	frēnāre	—

refreynen — Etymology, Origin & Word History | Etymology Explorer