Morpheme
-ac(u)le
Type
suffix
Denotation
Latin diminutive or instrumental suffix
Etymology
Latin stem vowel -a- + instrumentive suffix -culum
Evidence
hibernacle, hibernaculum, manacle, miracle, miraculous, obstacle, oracle, spectacle, spectacular, spiracle, tabernacle, tentacle, tentacular
See Also
-c(u)le, -cula, -culae, -culum, -culus, -culi, -ula, -ulae, -(u)le, -ulum, -unculi, -unculus