What is the meaning of Isti?

hot

1. having a high temperature

   having a high temperature

   causing the air to be hot

   second-person singular perfect active indicative of eō

   inflection of iste:

   1. nominative masculine plural
   2. dative masculine/feminine/neuter singular

   nominative masculine plural

   dative masculine/feminine/neuter singular

   alternative form of istīc

   dative singular of jǫstr

   same

   four

   same

   Source: wiktionary.org