Finding free e-books to learn Arabic through Tamil is possible through several specialized educational platforms and document repositories. Recommended E-books & PDF Resources Arabic to Tamil Language Guide (Scribd)
Beyond just words, a good PDF should provide frequently used sentences to help you navigate real-life situations like shopping or travel.
: Syllabus-based PDFs for structured learning, starting from basic Class 1 level. Alwise Quran Academy Mobile Apps for Learning (Free) Learn Arabic From Tamil (Google Play)