In their own tongue — This expression, That is, the field of blood, St. Luke seems to have added to the words of St. Peter, for the use of Theophilus and other readers who did not understand Hebrew.
Related Commentaries of Acts 1:19
Acts 1:19
19 And it was known unto all the dwellers at Jerusalem; insomuch as that field is called in their proper tongue, Aceldama, that is to say, The field of blood.