ط و ر

Etymology
A variant of, also 🇨🇬 , other 🇨🇬 and 🇨🇬. An borrowing into Arabic is also possible, so that that the verbs are denominal from the noun, compare  from  (from a root related to time that can be traced back to 🇨🇬 as can be seen by 🇨🇬), and the similar semantics behind  and.

Root

 * 1) related to hovering around