Where does “beurre d'arachide” come from?

beurre d'arachide (French) comes from French arachide, from Ancient Greek ἀράχιδνα, from Ancient Greek ἄρακος — wild chickling vetch, Lathyrus annuus.

beurre d'arachide (French): peanut butter

Definitions

peanut butter

Ancestry of “beurre d'arachide”, step by step

beurre d'arachide traces back through two separate lines of ancestry.

via French arachide

Step	Language	Word	Meaning
1	French	arachide	groundnut, peanut, goober
2	Ancient Greek	ἀράχιδνα	ground pea, Lathyrus amphicarpos
3	Ancient Greek	ἄρακος	wild chickling vetch, Lathyrus annuus

via French beurré

Step	Language	Word	Meaning
1	French	beurré	buttered; drunk; past participle of beurrer
2	Middle French	beurre	—

Every word from Ancient Greek ἄρακος →Every word from Ancient Greek ἀράχιδνα →Every word from French arachide →