The infinitive form of the verb is: ojehikagon

ojehikagon [ojehiˈkagon]

perfect: ojehittan

v. C-fin. [High Valyrian Verb Tables: Consonant-final] to bless. ( < oz- + jehikagon.)

From Dothraki Wiki: https://wiki.dothraki.org/High_Valyrian_Vocabulary

Note:

oz-, os-: an intensifier, without much meaning of its own.

jehikagon [jehiˈkagon]

perfect: jehittan

v. C-fin. to shine. With acc. to shine on, illuminate

Words like this make me wish the voice translations worked