Hashiyat al-Sawi ala Tafsir al-Jalalayn (Arabic: حاشية الصاوي على تفسير الجلالين) is a famous marginal tafsīr (ḥāshiyah) on Tafsir al-Jalalayn, written by the Maliki scholar Ahmad ibn Muhammad al-Sawi (d. 1825). What the book is It is a detailed explanatory commentary on Tafsir al-Jalalayn, which was originally authored by: Jalal al-Din al-Mahalli Jalal al-Din al-Suyuti Because Jalalayn is very concise, Hashiyat al-Sawi expands it significantly. Purpose The main goals of this work are to: Clarify brief and dense phrases in Jalalayn Provide additional explanations of verses Include theological and legal insights Address interpretive questions and ambiguities Style and features Compared to Hashiyat al-Jamal, this work is: More expansive and detailed Includes theological discussions (especially Ashʿari thought) Incorporates legal interpretations, often reflecting the Maliki school Sometimes cites Sufi-oriented insights It combines: Language analysis (grammar, rhetoric) Tafsir explanations Scholarly commentary across disciplines Content It follows the Qur’an verse by verse and includes: Explanation of vocabulary Context and meaning of verses Occasional mention of: Reasons for revelation (asbāb al-nuzūl) Differences of interpretation Legal implications Why it’s important One of the most widely used commentaries on Jalalayn Studied in many traditional institutions Offers a richer, more detailed layer than shorter marginal notes Bridges tafsir, theology, and fiqh In short Hashiyat al-Sawi is a comprehensive and enriched marginal commentary on Tafsir al-Jalalayn, giving deeper insight into Qur’anic meanings through language, theology, and law.