Brahmi Letter Cha

A 'ch' with extra breath, plus a free /a/ vowel. Brahmi is an abugida: each consonant letter carries a default /a/, so alone 𑀙 reads 'cha.' A vowel mark after it swaps that vowel; the virama mark cancels it entirely.

The earliest reported Brahmi dates come from inscribed potsherds at Anuradhapura, Sri Lanka — the beginning of the 4th century BCE; in India, the earliest decipherable inscriptions are the emperor Ashoka's rock edicts, 3rd century BCE. Regional hands then split Brahmi into South and Southeast Asia's scripts.

Why can it look or read differently?

Spelling rules and regional shapes both moved. Standard Brahmi gave every consonant a free /a/; Old Tamil Brahmi — the southern adaptation for the Tamil language, whose sound system differs — let a bare sign mean the consonant alone. Same letter, different house rules.

The outline drifted too: regional hands turned one alphabet into many scripts — Devanagari छ is 𑀙's descendant, not its twin. Kharosthi, the other early northwestern script, was a separate tradition.