xuǎn

light of the sun

To bake  in the sun  also provides the pronunciation

Components
火 meaning component

  Meaning component

huǒ

  

fire

亘 sound,meaning component

  Sound Meaning component

gènxuān

  

turn around, turn back

Evolution

烜 Seal script Shuowen (~100 AD)

Seal script

Shuowen (~100 AD)
烜 Seal script Shuowen (~100 AD)

Seal script

Shuowen (~100 AD)
烜 Regular script Modern

Regular script

Modern
Definitions

 

xuǎn

light of the sun; to dry in the sun; brilliant