Sao

Etymology 1
From, from the verb.

Proper noun

 * 1) A nereid (sea nymph) in Greek mythology.
 * 2)  A moon of Neptune, named after the nymph.

Etymology 2
Presumably named after the nereid (see Etymology 1). was initially assigned to the genus.

Noun

 * 1)  Any marine annelid of the genus, especially  of Europe, which inhabits a transparent movable tube resembling a quill in color and texture.

Etymology
Possibly of Edo origin, its existence in other Ekiti towns may also suggest an Ekiti origin, an association with Edo may be the Sao's role in fighting against Bini invasions into Ekitiland. The first Sao of Akure is believed to have arrived to Akure during the reign of Oba Gbogi (late 17th century).

Proper noun

 * 1)  a high-ranking warrior chief in several Yoruba towns. The Sàò is usually the highest ranking chief in the warrior class of a kingdom (in Akure, this class is known as Ùkómọ). Sàò is also a chief priest of the deity.