Earth And Dust

Illud quod ait Danihel,   Et ego Danihel langui et aegrotavi per dies. Hoc est illud quod in Genesi de Abraham legimus, quod postquam Deum audiverit loquentum sibi, terram et cinerem esse se dixerit Petrus Archidiaconus  Liber De Diversis Quaestiunculis, Questiones In Danielem Migne 96 1356

What does it mean that Daniel said, 'And I Daniel, languished and was sick for days? 1 This is what we read about Abraham in Genesis, who after he had heard the Lord speaking to him, named himself earth and dust. 2 Peter of Pisa, The Book of Diverse Questions, Questions On Daniel 1 Dan 8.27 2 Gen 18.27