"Rōvys zaldrīzes kelis."

Translation: The large dragon stops.

[DiegoJaviUnlam]

The infinitive form of the verb is: keligon

keligon [ke'ligon]

perfect: kelitan

v. V-fin. [High Valyrian Verb Tables: Vowel-final] to stop, to come to a stop. Generally used intransitively, except in the perfect passive participle: keliton ended.

Examples:

Dovaogēdys .... Kelītīs. — Unsullied .... Halt.

Sesīr Urnēbion Zȳhon Keliton Issa. — And Now His Watch Is Ended.

From Dothraki Wiki