Alan
来自Big Physics
wiktionary
From Old Breton Alan, name of early Breton saints, of disputed origin and meaning; brought to England by Normans. It may have been the name of a Celtic deity, the brother of Bran, Welsh Alawn, Celtic Alun, ‘harmony’. As an early Irish name, perhaps connected with ail(“noble”). Compare French Alain.
From Latin Alānī, from Ancient Greek Ἀλανοί(Alanoí).
etymonline
Alan
masc. proper name, 1066, from Old Breton Alan, name of a popular Welsh and Breton saint; brought to England by the large contingent of Bretons who fought alongside William the Conqueror.
