(देवनागरी, devanāgarī, "script of the city of the gods") is the principal writing system used for Sanskrit today, as well as for Hindi, Marathi, Nepali, and many other Indian languages. Its design reflects centuries of phonetic analysis by Indian grammarians and remains one of the most systematic alphasyllabaries in the world.
Origin
descends from the ancient Brāhmī script, which is attested from the third century BCE in the Ashokan inscriptions. Between roughly the seventh and eleventh centuries CE, the northern Brāhmī family evolved through intermediate stages — Gupta, Siddhamatrika, and Nāgarī — gradually settling into the form recognised today. The characteristic horizontal headline (शिरोरेखा, śirorekhā) above each character became standard during the medieval period.
Structure
is an abugida (alphasyllabary). Each consonant letter carries an inherent short vowel a (अ). Other vowels are indicated by attached marks called mātrā (मात्रा). Thus क represents ka, का represents kā, कि represents ki, कु represents ku, and so on.
The script is organised according to phonetic principles laid down by ancient grammarians. The varṇamālā (वर्णमाला, "garland of sounds") is arranged by place and manner of articulation:
- Vowels (svara): अ आ इ ई उ ऊ ऋ ॠ ऌ ए ऐ ओ औ
- Velar consonants: क ख ग घ ङ
- Palatal consonants: च छ ज झ ञ
- Retroflex consonants: ट ठ ड ढ ण
- Dental consonants: त थ द ध न
- Labial consonants: प फ ब भ म
- Semivowels: य र ल व
- Sibilants and aspirate: श ष स ह
This arrangement is itself a phonetic theory: sounds are grouped by where they are produced in the mouth, and within each group by whether they are voiced, aspirated, and nasal.
Special Symbols
Two important diacritics complete the system. The anusvāra (ं) marks a nasal sound, while the visarga (ः) marks a voiceless aspirated breath at the end of a syllable. The virāma or halanta (्) suppresses the inherent vowel, allowing consonant clusters to be written as ligatures.
Numerals and Punctuation
The decimal numerals — ० १ २ ३ ४ ५ ६ ७ ८ ९ — originated in India and reached Europe through Arabic intermediaries, becoming the global "Arabic numerals." Sanskrit traditionally uses a single vertical bar (।, daṇḍa) to end a sentence and a double bar (॥) to mark a verse boundary.
Phonetic Fidelity
Because was designed to capture spoken Sanskrit precisely, it distinguishes sounds that many other scripts collapse — for example, four distinct t sounds (त ट थ ठ) and four d sounds (द ड ध ढ). This fidelity made well-suited not only for preserving Vedic recitation but also for representing Indian languages with diverse phonologies.
remains a living script, continuously refined by lexicographers and digital typographers while preserving its ancient phonetic logic.