jachère

[1690]; formerly ‘tillage, land prepared for plowing’, from Old French gaschiere, gaskiere, from Gaulish *gansco (“branch”) (compare Old Irish gesca); from Proto-Indo-European *kak-.

Akin to Spanish and Portuguese gancho (“hook”).

• IPA^(key): /ʒaʃɛʁ/

jachère f (plural jachères)

1. fallow; fallow land (especially when left uncultivated on purpose)

   Le champ est en jachère. ― The field is lying fallow.

• guéret
• somart (dialectal)
• friche

• jachérer

• “jachère” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).