The term Simanthonnayana is made up of two parts viz. Simanta (सीमन्तः) and Unnayana (उन्नयनम्).
+
Simanta or Simantonnayana has been derived as follows<blockquote>सीमन्त उन्नीयते यस्मिन् कर्मणि तत् सीमन्तोन्न्यनम् (Viramitrodaya)</blockquote>The term Simanthonnayana is made up of two parts viz. Simanta (सीमन्तः) and Unnayana (उन्नयनम्).
# Simanta: 'Sima (सीमा)' means boundary and 'anta (अन्तः)' means end. Thus Simanta refers to the limiting line.
# Simanta: 'Sima (सीमा)' means boundary and 'anta (अन्तः)' means end. Thus Simanta refers to the limiting line.