संस्‍कृतशब्‍दकोशः

उपकनिष्ठिका

तीसरी अंगुली

the finger next to the little finger

Monier–Williams

उपकनिष्ठिका — {upa-kaniṣṭhikā} f. (scil. {aṅgulī}) the finger next to the little finger, the last finger but one ĀśvGṛ. ŚāṅkhGṛ. HirGṛ. &c