Where does “plaise” come from?

plaise (Anglo-Norman) comes from Late Latin platessa, from Ancient Greek πλατύς, from Proto-Indo-European pléth₂us, from Proto-Indo-European pleth₂- — flat.

plaise (Anglo-Norman): third-person singular present subjunctive of...

Definitions

third-person singular present subjunctive of...

Ancestry of “plaise”, step by step

Step	Language	Word	Meaning
1	Late Latin	platessa	flatfish, plaice
2	Ancient Greek	πλατύς	wide, broad; flat, level; broad-shouldered
3	Proto-Indo-European	pléth₂us	flat, broad
4	Proto-Indo-European	pleth₂-	flat

Every word from Proto-Indo-European pleth₂- →Every word from Proto-Indo-European pléth₂us →Every word from Ancient Greek πλατύς →