What is "aqburkitt"

The siglum AqBurkitt (also named: Trismegistos nr: 62326, Taylor-Schlechter 2.89.326, Codex Cambridge 12.184 + 20.50, vh074, t050, LDAB 3268) designates fragments of the literal translation of the Hebrew Bible into Greek by Aquila. This is a palimpsest manuscript of the septuaginta dated late fifth century and early sixth century. Aquila translation was performed approximately in the year c.130 C.E.