水金 すいきん 火木 かもく 天海 てんかい めいでした
sui kinchikamo kudoten kaimeideshita

Noun
Desu Copula

The polite past form of 水金地火木土天海冥

1. Was water, gold, earth, fire, wood, soil, heaven, sea, and the underworld.

Past/Perfective
Polite