[enviroṉ]2
variante(s): ebiron, esbiron
n. m.
'grande vrille, tarière à bois'
D: 1387 Saint‑Flour ⊂ DAOA 446b (ebi‑); 1406 Saint‑Flour ⊂ DAOA 446b (esbi‑)
∅ FEW 14:388b [ᴠɪ̄ʙʀᴀʀᴇ].