secret, private; clandestine, underhand
- 1621 obs.
from Latin clanculārius (secret),
from clanculum (adv.), diminutive of clam (in secret, privately)
FIRST DOCUMENTED USE
1621 - see EXAMPLE below
"...But experience pronounceth otherwise, that hee can worke both vpon body and minde. Tertullian is of this opinion, that he can cause both sicknesse and health, and that secretly Taurellus adds, by clancular poysons hee can infect the bodies, and hinder the operations of the bowels, though we perceaue it not, closely creeping into them, saith Lipsius, & so crucifie our soules..."
From: The Anatomy of Melancholy
- Robert Burton