 
<translate> Ajụjụ. Ihe gbara ya gburugburu: Corbett bụ aha nna nke Bekee. Ọ sitere na Anglo-Norman French, Middle English, na Old French corbet, nke bụ obere nke corb, nke pụtara " raven ". O yiri ka aha nna ahụ ò sitere n'otu utu aha nke na-ezo aka n'onye nwere ntutu isi ojii ma ọ bụ akpụkpọ ahụ́ gbara ọchịchịrị dị ka nke raven. A kpọtara aha nna ahụ na England site na Normandy, wee gbasaa na Scotland na narị afọ nke 12, na Northern Ireland na narị afọ nke 17. Ebe mbụ aha ahụ pụtara bụ Corbet na Shropshire, nke e dere n'akwụkwọ Domesday Book n'afọ 1086; Corbet na Shropshire, nke e dere n'akwụkwọ Assize Rolls nke Worcestershire n'afọ 1158; na le Corbet na Oxfordshire, nke e dere n'akwụkwọ Eynsham Cartulary n'afọ 1323. Agbanwe nke aha nna gụnyere: Corbet, na Corbitt. Corbett bụ mgbe ụfọdụ ụdị Anglicised nke aha nna Irish Ó Corbáin na Ó Coirbín, nke pụtara "onye si n'agbụrụ Corbán" na "onye si n'agbụrụ Coirbín", n'otu n'otu.  Ajụjụ: Ebee ka aha ikpeazụ Corbett si bịa? Azịza: Anglo-Norman French, Middle English, na Old French corbet, nke bụ obere okwu nke corb, nke pụtara `` raven'' Olee ihe e kwuru nke na-egosi na azịza ya bụ eziokwu? <eng> Question. Context: Corbett is an English-language surname. It is derived from the Anglo-Norman French, Middle English, and Old French corbet, which is a diminutive of corb, meaning "raven". The surname probably originated from a nickname referring to someone with dark hair or a dark complexion like a raven's. The surname was brought to England from Normandy, and spread to ( cotland in the 12th century, and into northern Ireland in the 17th century. Early instances of the name are Corbet in Shropshire, recorded in Domesday Book in 1086; Corbet in Shropshire, recorded in the Assize Rolls of Worcestershire in 1158; and le Corbet in Oxfordshire, recorded in the Eynsham Cartulary in 1323. Variations of the surname include: Corbet, and Corbitt. Corbett is sometimes an Anglicised form of the Irish surnames Ó Corbáin and Ó Coirbín, which mean "descendant of Corbán" and "descendant of Coirbín", respectively.

Question: where does the last name corbett come from?
Answer. the Anglo - Norman French , Middle English , and Old French corbet , which is a diminutive of corb , meaning `` raven ''
What step-by-step reasoning justifies that answer? 