The name of a planet in Tolkien’s unfinished story “The Notion Club Papers”, translated “Poise in Heaven” (SD/200). Its language is not specified, but it is probably Adûnaic, since its first element minal is the Adûnaic word for “heaven”. If so, its second element zidar must mean “poise”.
Adûnaic
zidar
noun. poise
minal-zidar
place name. Poise in Heaven
A word attested only in the compound Minal-zidar “Poise in Heaven” (SD/200). Andreas Moehn suggested (EotAL/ZID) it may be related to izindi “straight”.