liefling
One held as lief or dear; a darling.
'Really, liefling?' she says. Tell me what happened.'
Where it comes from
Equivalent to lief + -ling (compare darling = dear + -ling), perhaps from or modelled after Afrikaans liefling (“darling”), German Liebling (“darling”). Compare also loveling.
Adapted from the Wiktionary entry liefling (CC BY-SA 4.0).