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 तङ्क
तङ्कtaṅkaLiving in distress, a miserable life.
[तङ्क् भावे अच्]
Living in distress, a miserable life.
Grief produced by separation from a beloved object.