variante(s): castagneda, castanhede

n. f.

'châtaigneraie'

D: 1539 Bigorre ⊂ DAG 640 (‑e); Bigorre ⊂ TGascL (‑gneda)

∅ FEW 2:468a [ᴄᴀѕᴛᴀɴᴇᴛᴜᴍ]. DAO 640.