Parting (noun)

1. The action or process of leaving or being separated.
2. An act of saying goodbye or farewell.

Origin:

Middle english: from old english partung "a taking leave, a farewell", from partian "depart", from part "part, faction", from latin pars, part-.

Examples:

1. Their final parting.
2. He gave her a last long look before his parting.
3. The parting was emotional and difficult for both of them.
4. It was a sad parting, as we knew we wouldn't see each other for a long time.
5. He took her hand in his and looked into her eyes, knowing this would be their final parting.