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 स्रष्टृ
स्रष्टृsraṣṭṛm.A maker.
[सृज्-तृच्]
A maker.
A creator, an epithet of Brahman; या सृष्टिः स्रष्टुराद्या Ś.1.1; तत्स्रष्टुरेका- न्तरम् 7.27.