TgO Gen6:3 :אַרכָא יְהִיב לְהוֹן מְאָה וְעַסרִין שְנִין אִם יְתוּבוּן‏ : an extension of 120 years has been given them if they repent
See the entire entry for ˀăreḵ, ˀarkā n.f.(m.!) length, extension

TgO Gen6:3 :דָרָא בִישָא הָדֵין‏ : this wicked generation
See the entire entry for hāḏēn pron. this (m.)