The name assumed by Herucalmo, husband of queen Tar-Vanimeldë, when he withheld the throne of Númenor from his son Alcarin (UT/222). This name seems to be a combination of the prefix andú- “West” (as in Andúril) and cala “light”, so perhaps it means “✱Light of the West”.
masculine name. *Light of the West
Word Gloss andú- “going down, setting (of sun), west” cala “light, light; [ᴱQ.] daytime (sunlight), 12 hours”