ETYMOLOGY
from Latin raucus (adj.) hoarse, harsh, raucous + -id
FIRST DOCUMENTED USE
1730 – see EXAMPLE below
EXAMPLE
“…In Needy Thraldom, fearful, darkling lay,
Expected fond were the sweet-warbled Ode
Of vig’rous Stretch; when not th’ Elegiac Tone
Which on Maander’s Stream the raucid Swan,
At Fate’s Approach, was storied erst t’ emit,
The pining, heartless, wasted Pris’ner groans…”
From: Freedom; A Poem, Written in Time of Recess from the Rapacious Claws of Bailiffs, and Devouring Fangs of Goalers
To which is annexed The Author’s Case
– Andrew Brice
Lexicophilia 