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梵字悉曇字母釋義

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Text ID
KR6t0412
Date
806–835
Dynasty
日本

Fànzì xītán zìmǔ shìyì 梵字悉曇字母釋義

Explanation of the Meaning of the Siddham Letters of Sanskrit by 空海 Kūkai (撰)

About the work

A single-fascicle Siddham philological-doctrinal treatise by Kūkai 空海 空海 (Kōbō Daishi 弘法大師, 774–835), the founder of Japanese Shingon Buddhism. The work is the foundational text of the Japanese Siddham (悉曇 shittan) tradition — the study of the Sanskrit-Brāhmī script as it was transmitted to East Asia through Chinese esoteric Buddhism — and provides the canonical Japanese understanding of the fifty Siddham letters and their doctrinal meanings. The work was composed after Kūkai’s return from China (806) and is one of the founding texts of Japanese Shingon scholarship.

Abstract

The treatise presents the fifty Siddham letters — twelve vowels (ali) and thirty-six consonants (kali) — each with: (1) its Sanskrit pronunciation (transcribed in Chinese phonetic equivalents); (2) its Siddham graphic form; (3) its mantric / bīja meaning in esoteric Buddhist doctrine. The fifty letters constitute, in this presentation, not merely a phonetic alphabet but a complete cosmological-soteriological code — each letter is a bīja (seed-syllable) summarizing a Buddhist doctrinal principle.

The doctrinal apparatus draws on the Mahāvairocana-sūtra (Dainichi-kyō 大日經), the Vajraśekhara-sūtra (Kongōchō-kyō 金剛頂經), and the Cí-mǐn-yīn dú-fá 慈愍音讀法 of Huìrì 慧日 (which was Kūkai’s principal Chinese Siddham source). The letters are presented as the expressed form of the Dharmakāya — i.e. each letter is a manifestation of the cosmic-Buddha Dainichi (Mahāvairocana). The doctrine that phonemes are not arbitrary signs but cosmic-expressive forms is one of the most distinctive contributions of Shingon to East Asian philosophy of language and is at the foundation of the Japanese theory of mantra.

The work is doctrinally pioneering in establishing the Siddham script as a Japanese scholarly object — Kūkai is the first Japanese scholar to provide a systematic Japanese treatment of Sanskrit-Brāhmī phonology and graphics. The work is historically pioneering in establishing what became the Japanese Siddham tradition — the lineage of Siddham scholarship that descended through 安然 Annen, 淳祐 Junnyū, 明覺 Myōkaku, and others over the next several centuries, eventually producing the largest corpus of Siddham scholarship outside South Asia.

Date. Composition after Kūkai’s return from China in Daidō 1 / 806; conservatively dated 806–835 (i.e. during Kūkai’s adult career, before his death in Jōwa 2 / 835).

Structural Division

The CANWWW entry (div25.xml, T84N2701) records the work as a single-fascicle treatise by Kūkai with no internal toc sub-list and no related-text cross-references tabulated. The internal structure follows the fifty-letter Siddham anuvyañjana order.

Translations and research

Critical edition: Taishō vol. 84. Kōbō Daishi zenshū 弘法大師全集, vol. 4. English: Hakeda Yoshito S., Kūkai: Major Works (Columbia UP, 1972) — substantial translations of related Kūkai philological works. Major studies on the Siddham tradition: R. H. van Gulik, Siddham: An Essay on the History of Sanskrit Studies in China and Japan (Sarasvati Vihara Series 36, 1956; repr. Sata-pitaka Series, IAIC Delhi 1980) — the standard Western reference; R. B. K. Chiba, Shingon mikkyō Shittan-gaku no kenkyū 真言密教悉曇學の研究 (Hyakkaen, 1984); Yamanaka Yukio 山中由紀夫, Nihon shittan-gaku no kenkyū 日本悉曇學の研究 (Kyoto: Hōzōkan, 1981); Yano Michio 矢野道雄, Bonji kara mita Kūkai 梵字から見た空海 (NHK Books, 2005).

Other points of interest

The fifty-letter Siddham anuvyañjana expounded by Kūkai became the foundation of all subsequent Japanese bonji (梵字, “Sanskrit-letter”) devotional practice — the use of single Siddham seed-syllables as objects of meditation, calligraphy, and ritual. The Siddham scripts on Japanese temple fudasho (talismans), grave-markers (sotōba 卒塔婆), and votive paintings derive directly from this tradition.

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