विस्तारvistāra1 Spreading, extension, expansion; प्रान्त- विस्तारभाजाम् Māl.1.27.
तत एव च विस्तारं ब्रह्म संपद्यते तदा ॥
कोशःDictionaries
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.