वनस्

Sanskrit

From Proto-Indo-European *wénh₁-o-s (“beauty, loveliness”), from *wenh₁- (“to love”). Cognate with Latin venus (“loveliness”), Old English winnan (whence English win).

वनस् • (vánas) stem, n

loveliness, beauty
- c. 1700 BCE – 1200 BCE, Ṛgveda 10.172.1:
  आ याहि वनसा सह गावः सचन्त वर्तनिं यदूधभिः ॥
  ā yāhi vanasā saha gāvaḥ sacanta vartaniṃ yadūdhabhiḥ.
  With all thy loveliness come: the cows approaching with full udders follow on thy path.
desire, longing

Neuter as-stem declension of वनस् (vánas)
	Singular	Dual	Plural
Nominative	वनः vánaḥ	वनसी vánasī	वनांसि vánāṃsi
Vocative	वनः vánaḥ	वनसी vánasī	वनांसि vánāṃsi
Accusative	वनः vánaḥ	वनसी vánasī	वनांसि vánāṃsi
Instrumental	वनसा vánasā	वनोभ्याम् vánobhyām	वनोभिः vánobhiḥ
Dative	वनसे vánase	वनोभ्याम् vánobhyām	वनोभ्यः vánobhyaḥ
Ablative	वनसः vánasaḥ	वनोभ्याम् vánobhyām	वनोभ्यः vánobhyaḥ
Genitive	वनसः vánasaḥ	वनसोः vánasoḥ	वनसाम् vánasām
Locative	वनसि vánasi	वनसोः vánasoḥ	वनःसु vánaḥsu

Monier Williams (1899) “वनस्”, in A Sanskrit–English Dictionary, , new edition, Oxford: At the Clarendon Press, →OCLC, page 918, column 3.
Mayrhofer, Manfred (1996) “vánas-”, in Etymologisches Wörterbuch des Altindoarischen [Etymological Dictionary of Old Indo-Aryan]‎ (in German), volume 2, Heidelberg: Carl Winter Universitätsverlag, pages 500-1