empirically

em·pir·i·cal·ly
UK: /ɛmpˈɪɹɪkli/   US: /ɛmˈpɪɹɪkəɫi/
atviksorð
  • raunvíslega, byggt á reynslu, út frá reynslu

Samheiti: by trial and error, through empirical observation