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 पैतामह
पैतामहpaitāmahaa.(-ही f.) [पितामह-अण्]
(-हीFeminine) पितामह-अण्
Relating to a paternal grandfather.
Inherited or derived from a paternal grandfather.
Derived from, presided over by, or relating to Brahmā यच्च पैतामहं स्थानम् Mb.12. 16.32; अयोध्या सृष्टलोकेव सद्यः पैतामही तनुः (बभौ) R.15.6.