The shell bone script of character already is
The left is the food and utensil, the right is a person, facing back to the food, open his mouth to burp, which means that he has finished the meal, and is ready to leave. Actually, it is reversed character Owe (欠，Post 314), which is a person who is burping.
Let's recall the character Upcoming - 即 (Post 332), which is a person who is facing the food and ready to eat.
The bronze script of the character is
The song typeface of the character is
Its pinyin is Ji4.
即 - Upcoming, or ready to; 既 - Already, or has done. They look like similar, easy to be confused. It is helpful for us to know their original pictographic meanings.