Shiva's name began as an adjective meaning kind or auspicious
Some 385 million people across India, Nepal and Sri Lanka honour Shiva as the supreme god. Yet in the Rig Veda his name was just a flattering adjective handed to several deities. Over centuries it hardened into a proper name, and the tradition around it spread as far as Cambodia and Indonesia.
Shaivism is not one sect but an umbrella for many Hindu traditions that place Shiva above all other gods. Its followers, Shaivas or Shaivites, live mostly in South Asia. The Sanskrit shaiva simply means relating to Shiva, and the word Shiva itself translates as gracious, friendly or auspicious. In Vedic hymns it was praise applied to Rudra among others; by the time of the Epics and Puranas it named a deity who creates, reproduces and dissolves.
Origins are argued over. Chakravarti sees a blend of pre-Vedic cults with Vedic culture; Gavin Flood links it to the Brahmanization of local practice; Bisschop points to Rudra worship as the oldest traceable root. Some look back to the Indus Valley Civilisation, which peaked around 2500 to 2000 BCE, and its so-called Pashupati seal, read by early scholars as a horned figure in a yoga pose ringed by animals. Flood calls that interpretation speculative, noting it is unclear whether the figure has three faces, sits in yoga, or is even meant to be human.
Firm evidence for sectarian worship arrives with the Pasupata movement in the early centuries CE, which spread quickly across North India and spawned tantric offshoots. During the 1st millennium CE both devotional and monistic forms became popular, serving as the leading faith of several Hindu kingdoms. The tradition then reached Southeast Asia, where thousands of Shaiva temples rose in Indonesia, Cambodia and Vietnam, developing alongside Buddhism.
Inside the fold, scholars separate Puranic Shaivism, such as Smarta worship, from Agamic or Tantric streams. The atimarga path was reserved for renunciates, while the mantramarga welcomed householders too. Shaiva Siddhanta teaches dualistic devotion, whereas Kapalika roots produced monistic yoga systems like Trika and Kashmiri Shaivism. No other Hindu tradition embraces asceticism so readily, and its vast literature honours the Vedas while treating the Agamas as higher revelation.
Source: Shaivism
