They come to me from the years agone, Like echoes from far away :Like sunbeams that faded at yesterdawn, Like the glory of yesterday.1904, Religious Telescope - Volume 70, page 1226:
Who split the kola of words In the silence of yesterdawns?1991, Africa World Review, page 32:
2 more examples
We've fasted when no fasting was prescribed, having been on our way since yesterdawn."2000, Luigi Pulci, Edoardo Lèbano, Morgante: The Epic Adventures of Orlando and His Giant Friend Morgante, →ISBN:
“We fought well yesterday,” he said. “The enemy will be much weaker at dawn than he was yesterday. But there is much hard fighting left to do.” “Yes, Lord,” Jenah said. “And we, too, are weaker than we were at yesterdawn."2006, Rachel Lee, Shadows Of Prophecy, →ISBN, page 310:
yesterdawn
adv
Etymology From yester- + dawn.
1
At dawn on yesterday.
But, now I know you love the lass, I'll say I saw her yesterdawn as blooming as her name.1905, Weymer Jay Mills, Caroline of Courtlandt Street, page 214:
But yesterdawn the old joy came back to me.1968, John Drinkwater, Cophetua, page 83: