“(though it actually more like “Lōs Ankel-hes”.
You’re on the right track. When the Spanish, who spoke Castilian from the Kingdom of Castile, started arriving in the mid 1500’s, the name progressed from there and was slanged in with the mestizo indian dialects and the coastal indians there before the Mexican entrance, the “n” was silent and it was pronounced Los Ah-gles.
https://www.youtube.com/watch?v=TWmcjJ0rVNk
Born and raised there for my first 20 plus years in the central valley starting in the 40’s. We just called it L.A. like we called San Francisco Frisco. Easier forgotten they were there that way.
wy69
I remember when people used to correct someone for saying LA instead of Los Angeles.