From Wiktionary, the free dictionary
తమ్ముణ్డు (tammuṇḍu) m
- younger brother
- Budaraju Radhakrishna (1971) “తమ్ముణ్డు”, in Early Telugu Inscriptions (up to 1100 A.D.) with Texts, Glossary & Brief Linguistic History., Kalabhavan, Saifabad, Hyderabad: Andhra Pradesh Sahitya Akademi, page 329.