D defs.my
Entry 1 sense Webster, 1913

Ergo

/ẽrg'-ō/ · Er·go · IPA /ˈɛɚɡoʊ/
01 conj. [or] adv. Therefore; consequently; -- often used in a jocular way.
  1. 1.
    Therefore; consequently; -- often used in a jocular way.