sandibel is incorrectly written, and should be written as "Sandybel" being its meaning:
Sandy was an Anglo-Saxon nun who lived in the 5th century in Great Britain. It was a nun with an unrivalled punctuality, so her sisters was named in charge of ring a Bell to indicate the exact time, so in the convent was known as Sandy-Bel ( Sandybel, 41 Sandybell; from where comes the name.