Synonym of 天神七代 (Tenjin Shichidai)

(Japanese mythology) possibly a goddess, one of the first three gods who came into existence when heaven and earth began (天地開闢 (tenchi kaibyaku)), along with 天御中主 (Ama no Minakanushi) and 高皇産霊 (Takamimusuhi)

the crew of five gods who escorted 瓊瓊杵 (Ninigi) during his 天孫降臨 (Tenson Kōrin, “Heavenly Grandson's Descent”) to rule the earth, including 天児屋 (Ama no Koyane), 太玉 (Futodama), 天鈿女 (Ama no Uzume), 石凝姥 (Ishikoridome) and 玉祖 (Tama no Oya)

(Shinto) the gods of calamity or misfortune

Kyūjitai form of 計量経済学: econometrics

Kyūjitai form of 古気候学 (“palaeoclimatology”)

Kyūjitai form of 流体動力学 (“fluid dynamics”)

(literally) know the other side and yourself, a hundred battles will not be perilous