ingo

noun3

1. •
   The frame of a door, window, fireplace, or similar structure.

   • The ingo of the doorway was evidently spanned with timber lintels, but none survive. — 1980
2. •
   A substance or thing that has gone in.

   • An accurate record was kept of all of the ingo, and all the outgo from the cows. — 1890
3. •
   The act or process of going in.

   • Furthermore, owing to the aforesaid means of balancing the ingo and outgo of sugar, its percentage in the blood must remain practically constant. — 1922

noun1

1. •
   Initialism of international non-governmental organization.