Clipping of 和御魂 (nikimitama).

a philosophy in Shintoism; within one's own heart there exists four 'souls', in either their positive (直霊(なおび) (naobi) and/or negative (禍津日(まがつひ) (magatsuhi) aspects, and that it is the interactions between these four souls, in either aspect, and in varying amounts and levels, that can influence the ups and downs in that person's character, good or bad.

in Shinto philosophy; one of the 四魂(しこん) (shikon) within one's heart and pertains to one's own "wisdom"

the Japanese spirit / (figuratively) the unique qualities or traits of the Japanese people

to put one's heart and soul into

(archaic) Synonym of 稲妻 (inazuma, “lightning”) (flash of light)

Kyūjitai form of 霊魂 (“soul”)

Alternative form of 一々

one person / singleness, singularity / one's own efforts or strengths / an unmarried person, single

(rare) the first day of the month