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 साहस्र
साहस्रsāhasraa.(-स्री f.) [सहस्र-अण्]
(-स्रीFeminine) सहस्र-अण्
Relating to a thousand.
Consisting of a thousand.
Bought with a thousand.
Paid per thousand (as interest etc.).
A thousand-fold.
Exceedingly numerous.
Derived forms and compounds
-स्रः An army or detachment consisting of a thousand men.
-स्रम् An aggregate of a thousand; किरीटसाहस्रमणिप्रवेक- प्रद्योतिदोद्दामफणासहस्रम् Bhāg.3.8.6; (also साहस्रकम् in this sense).