अपाचीapācīThe south or west; cf. Śiva. B.4.64 and 5.29. ˚इतरा the north (other than south).
The south or west; Compare Śiva. B.4.64 and 5.29. denotes that the rest of the word under consideration is to be suppliedइतरा the north (other than south).
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.