Chovot HaLevavot
It was written in Judeo-Arabic in the Hebrew alphabet circa 1080 under the title "Book of Direction to the Duties of the Heart" , sometimes titled "Guide to the Duties of the Heart" , and translated into Hebrew by Judah ben Saul ibn Tibbon during 1161–80 under the title "Chovot HaLevavot" . 
<triplet> Judeo-Arabic <subj> Hebrew alphabet <obj> writing system <triplet> Chovot HaLevavot <subj> Judeo-Arabic <obj> language of work or name <subj> Judah ben Saul ibn Tibbon <obj> translator