Lakshan लक्षण

Ancient Sanskrit word Lakshan (लक्षण) literally refers to indication or symptom. Lakshan also refers to an auspicious sign or mark.

Sanskrit word Lakshan is found to be referred in Vedantsaar (वेदान्तसार) where Lakshan means indicating or expressing directly.
Mention of this name is also found in Manu-Smiriti (मनु-स्मृति) and Mahabharata (महाभारत) with meanings like symbol, mark, sign, token, attribute, quality or characteristic. Reference of this word is found also in Grihaya-Sutra (गृह्य-सूत्र) and Shraut-Sutra (श्रौत-सूत्र) in which Lakshan refers to a lucky mark or favorable sign.
Lakshan is also mentioned in Sarvadarshan-Sangrah (सर्वदर्शन-संग्रह), Sushrut (सुश्रुत) and Manu-Smiriti (मनु-स्मृति) where Lakshan denotes illustration, definition or accurate description.