Siva (n.)

also Shiva, one of the three supreme gods of Hinduism, lord of destruction and reproduction, 1788, from Hindi Shiva, from Sanskrit Sivah, literally "propitious, gracious," from PIE *ki-wo-, suffixed form of root *kei-(1) "to lie," also forming words for "bed, couch," and with a secondary sense of "beloved, dear." But by some this name is said to be a euphemism. Related: Sivaism; Sivaistic.