sacculus
A small bag of herbs or medicinal substances, applied to the body.
obsolete
Sacculi, or little bags of herbs, flowers, seeds, roots, and the like, applied to the head […].
Where it comes from
Unadapted borrowing from Latin sacculus (“a little sack or bag”), diminutive of saccus (“a sack, bag, purse”). Doublet of saccule.
Adapted from the Wiktionary entry sacculus (CC BY-SA 4.0).