[castor]
variante(s): chastour
n. m.
'mouton, bélier châtré'
D: fin 14e s. H.‑Alpes ⊂ DocMidiM 443,52 (chastour)
FEW 2:475a [ᴄᴀѕᴛʀᴀʀᴇ]. – DC 2:212b.
→ castroṉ