亞

prefix: kinship/name prefix (used before a name, like 阿)
阿

2 candidate readings from Wiktionary — genuine Chaozhou colloquial form not yet confirmed by a speaker. Both readings are attested for the kinship-prefix sense (alternative form of 阿) drafted here; a separate 'inferior/second-rate; surname' sense of 亞 in the dossier only attests the a3 reading.