eager to see ...1652 obs.
from Latin spectare to look, after adjs. in -bundus (added to verbal stem)
FIRST DOCUMENTED USE
1652 - see Example below
"...By the inchanted transportation of the eyes and eares of its spectabundal auditorie, one would have sworne that they all had looked with multiplying glasses ..."
From: The Jewel
By: Thomas Urquhart, 1652
• A New English Dictionary on Historical Principles,
James Murray, 1887-1933
• Dictionary of Early English, Joseph Shipley, 1955