Sacculus
/ˈsæk.jʊ.ləs/noun
A small sac or pouch; in anatomy, a small saclike structure.
Did you know?Sacculus is a Latin diminutive of saccus, and that same ancient “bag” root also gave English words like sack and satchel, showing how ordinary containers became technical anatomy.
Etymological Timeline
Proto-Indo-European
PIE
*sāk-
“a bag or sack”
Latin
Latin
saccus
“a sack, bag, or coarse pouch”
Latin
Latin
sacculus
“a little sack or small pouch”
Late Latin
Latin
sacculus
“a small sac; in anatomical and descriptive use, a pouchlike cavity”
Middle English
English
sac
“a pouch, bag, or sac-like body part”
Modern English
English
sacculus
“a small sac or pouch, especially in anatomy”