V. S. Apte, The Practical Sanskrit–English Dictionary. Look up any word of the Gita in Devanagari, IAST or Harvard-Kyoto, or browse the headwords letter by letter.
Entry अवीचि
अवीचिavīcia.Waveless.
Waveless.
Derived forms and compounds
-चिःName of a particular hell; अवीचिमन्धतामिस्रं कुम्भीपाकं तथैव च Y.3.224. denotes that the rest of the word under consideration is to be suppliedमयः a place of punishment for liars (यत्र जलमिव स्थलमश्मपृष्ठमवभासते Bhāg.) -संशोषणः A particular Samādhi.