(figuratively) drastic changes in the world

to be perfectly clear / to be logical, consistent, penetrating

shade; shadow / shadow of the sun; (figuratively) time / secret; unknown / genitalia / negative; “female”; quiescent; minus / (philosophy) yin / north side of mountain; south side of water / the moon

The hiragana syllable にぇ (nye). Its equivalent in katakana is ニェ (nye).