Old Ghiscari

Ghiscari or Old Ghiscari is the language of the ancient Ghiscari Empire. It is still spoken in some parts of the Slaver's Bay region of Essos, more frequently by slaves than the noble caste, who prefer to use High Valyrian.

Lexicon
mhysa ("me-sar") - "Mother".

Speakers of Ghiscari

 * Missandei

In the books
In the Song of Ice and Fire novels, Ghiscari is much more widely-spoken in Slaver's Bay (as part of an attempt to reclaim their cultural heritage and erase all trace of the Valyrian conquest) and remains the primary tongue of the kingdom of Ghiscar to the south. For the TV show, the Ghiscari language appears to be regarded as more of a dead language (hence the "old" appellation) than an active one and the people of Slaver's Bay instead speak a variant of High Valyrian with some old Ghiscari language influences. For the TV show, it is not yet known if the Ghiscari kingdom to the south speaks Ghiscari or a similar variant of High Valyrian.