passing from memory, being forgotten ...Bk1900 Scot.
1. a child born when the parents are old; a darling or favourite child,
a pet; the youngest of the family, the last born;
a term of endearment ...1584 obs. exc. Eng. dial.
2. the weakest pig of a litter ...1890 Eng. dial.
of doubtful etymology; it has been variously conjectured to be connected
with dill (vb.) to soothe, assuage (northern dialect), or Old Norse dilla to trill, to lull,
or to be a modification of derling, darling
1547 - A Dictionary in Englyshe and Welsh, William Salesbury;
see below from E-NED
From: The Anatomy Of Melancholy.
What it Is, With All the Kinds Causes, Symptomes, Prognostickes,
and Severall Cures of it.
By Democritus Junior (Robert Burton), 1638
Part 3. Sect. 1.
Honest Objects of Love