Saudade
Etymology
A Portuguese word central to Portuguese and Brazilian culture, especially fado music. Its exact origin is genuinely disputed — often traced to Latin solitas / solitatem, "solitude," though some scholars argue for an Arabic influence. It’s frequently called untranslatable, which is partly branding and partly true: no single English word carries the whole weight.
noun · /sow-DAH-juh/
A deep, bittersweet longing for something or someone absent — often something that may never return.
What it names
A specific ache English keeps circling but never quite lands: nostalgia and yearning braided with a strange pleasure in the feeling itself.
Example
Hearing the old song filled him with saudade for a city he wasn’t even sure he’d ever really lived in.
Related idea
Nostalgia looks fondly back; saudade aches for what’s gone and might not come again.