Very intriguing.
The "stumps" on the langets ( or, in this case, are they quillons?
) look like a transitional step between the classic North African and the Zanzibari forms.
The "eyleashes with dots" were, as Jens notices, as popular in the area then as words " Made in China" are now.
As a matter of fact, the contour of the blade is kind of shashka-ish. There were a lot of shashka blades from Daghestan, many with the gurda mark, in Southern Arabia toward the end of the 19th century. Etching one with more "local" decoratios was a piece of baklawa then as it is now.
The bottom line, until some compassionate soul translates the inscription, you are in the datk. But then...... All will be revealed!