好こう奇き心しん

こ

う

き

し

ん

Common wordJLPTN3

Meanings

1

noun

A strong desire to know or learn something. Often used in phrases like 好奇心が強い (to be very curious) or 好奇心から (out of curiosity).

しん

から

新あたら

しい

言げん

語ご

を

学まな

び

始はじ

め

た

。

I started learning a new language out of curiosity.

興きょう味み
興味 is a broader 'interest' in something, while 好奇心 specifically refers to the active desire to know or explore.

From 好奇 (こうき, 'curious') + 心 (しん, 'mind, heart'). The compound is a straightforward Sino-Japanese word.