serenissime
adj. superl.
'sérénissime'
D: 1469 ⊂ LÉtPrGH 31,10b; 1472 ⊂ LÉtPrGH 33,9b
∅ FEW 11:510a [ѕᴇ̆ʀᴇ̄ɴᴜѕ].
→ sereṉ