Where does “pleden” come from?

pleden (Middle English) comes from Old French plaidier, from Latin placitare, from Latin placitum, from Latin placitus, from Latin placeō.

Ancestry of “pleden”, step by step

Step	Language	Word	Meaning
1	Old French	plaidier	to implore; to beg
2	Latin	placitare	—
3	Latin	placitum	opinion, teaching, theory; decree, sentence,...
4	Latin	placitus	pleasing, agreeable, acceptable, agreed upon
5	Latin	placeō	—

pleden — Etymology, Origin & Word History | Etymology Explorer