“dositheus” in the Douay-Rheims Bible

The word dositheus appears 4 times in the Douay-Rheims Bible. The first 4 matching verses are shown below.

Esther 11:1 In the fourth year of the reign of Ptolemy and Cleopatra, Dositheus, who said he was a priest, and of the Levitical race, and Ptolemy his son brought this epistle of Phurim, which they said Lysimachus the son of Ptolemy had interpreted in Jerusalem.
2 Machabees 12:19 But Dositheus, and Sosipater, who were captains with Machabeus, slew them that were left by Timotheus in the hold, to the number of ten thousand men.
2 Machabees 12:24 And Timotheus himself fell into the hands of the band of Dositheus and Sosipater, and with many prayers he besought them to let him go with his life, because he had the parents and brethren of many of the Jews, who, by his death, might happen to be deceived.
2 Machabees 12:35 But Dositheus, a horseman, one of Bacenor’s band, a valiant man, took hold of Gorgias: and when he would have taken him alive, a certain horseman of the Thracians came upon him, and cut off his shoulder: and so Gorgias escaped to Maresa.