Translate variable in latte

using: Contributte\Translation

{_locale.xyz} prints xyz (as defined in lang/locale.<current_locale>.neon)

easy!

How do I translate a variable?
tried:
{_$name, locale}
{translator locale}{$name}{/translator}
{$name|translate|noescape}
{_locale."{$name}"}

I'm sure I've done it before.