from late Latin pābulōsus abounding in pābulum fodder
From: Pseudodoxia Epidemica:
Or, Enquiries into very many Received Tenents and Commonly Presumed Truths
By Thomas Brown, The Fourth Edition, 1658
Enquiries into Vulgar and Common Errours.
The Third Book. Chapter XXI. That the Chamelion lives onely a yr.