Shashwat

Shashwat (शश्वत्) means- Perpetually, eternally, for ever.

Shashwat is a name of Sanskrit origin and is commonly used in India. The name is predominantly given to boys and is believed to imply ‘one whose existence cannot be denied’.

‘Mangalacharan of Sundarkand’ from the holy book of Hindus ‘Ramayana’.
शान्तं शाश्वतमप्रमेयमनघं निर्वाणशान्तिप्रदं
ब्रह्माशम्भुफणीन्द्रसेव्यमनिशं वेदान्तवेद्यं विभुम्‌।
रामाख्यं जगदीश्वरं सुरगुरुं मायामनुष्यं हरिं
वन्देऽहं करुणाकरं रघुवरं भूपालचूडामणिम्‌॥1॥
Meaning : I pray to the Lord of the Universe called Rama, chief of the Raghus, supreme amongst kings, a mine of loving tenderness, destroying all sins, visible in human form because of his maya (power of illusion), greatest of the deities, all pervading,worth knowing through Vedanta (the Upanishads) constantly served by Brahma, Shambhu and Sheshnag (the thousand-headed snake on which Vishnu sleeps), granting supreme bliss in the form of moksha or salvation, sinless, beyond mundane perception, eternal and calm.