novelty
novel + -ty
形容詞のnovel: 真新しい
小説のnovelではない
https://gyazo.com/1734a021fb5332376edb40774fcbe9b3
noun (plural novelties)
1. the quality of being new, original, or unusual:
目新しさ, 新奇さ, 珍しさ, 斬新さ
e.g. the novelty of being a married woman wore off.
a new or unfamiliar thing or experience:
目新しい物[事]
e.g. in 1914 air travel was still a novelty.
as modifier denoting something intended to be amusing as a result of its new or unusual quality:
〖形容詞的に〗目新しい, 土産[景品]用の〈商品など〉.
e.g. a novelty teapot.
2. a small and inexpensive toy or ornament:
〖通例-ties〗目新しい商品, ノベルティ[アイディア]グッズ〘安価な景品や土産物など〙
e.g. he bought chocolate novelties to decorate the Christmas tree.
ORIGIN
late Middle English: from Old French novelte, from novel ‘new, fresh’ (see novel2).