The spelling of the word "Tahna" can be phonetically transcribed as /ˈtɑːnə/. The first symbol, "/ˈt/", represents the voiceless dental plosive sound found in the word "toe". The second symbol, "/ɑː/", represents the open back unrounded vowel sound found in the word "father". The third symbol, "/n/", represents the voiced alveolar nasal sound found in the word "not". The fourth symbol, "/ə/", represents the schwa sound found in the word "sofa". Therefore, "Tahna" is pronounced as "tah-nuh".