Extremely rare it is typical of the south-western area of Sardinia, Iglesias (CA) and Santedi (CA), derives from a dialectal modification of the medieval name Chirico derived from the Greek Byzantine word Kyericos (literate or scribe). additions provided by Giuseppe Concas CHIRIGU: chirigu, chiricu, clericu, clerigu = cleric, of the clergy. From the Latin clericus. We find the word in the Condaghe of Santa Maria di Bonarcado, CSMB (189 - 190): testes Goantine Cappai clerigu et Comita Kersa clerigu. We remember however that in some parts of Sardinia chirigu is the sainfoin or holy hay> onobrychis viciaefolia; and chirigu is also the wild pea> lathyrus aphaca, which here in Campidano we commonly call pisu de coloru. As surname Chirigu is present in 17 Italian Municipalities, of which 9 in Sardinia: Santadi 17, Iglesias 13, Olbia 6, etc.
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