Etymology and distribution of 下天摩.

Shimotenma 【下天摩】^{レベル3
About 80}  The Japanese surnames etymology dictionary.

Kanagawa-ken , Toukyou-to .

Origin of Hyougo-ken Sasayama-shi (formerly Taki-gun). A place name with a record since the Asuka period.

② Heteromorphism of the 滝 . Wakayama-ken Wakayama-shi Ichibancho was in the Edo period in the Kishu clan in the Clan office. The same clan says that he changed their name from the fall name.