- permeable (adj.)
[permeable 词源字典]
- early 15c., from Late Latin permeabilis "that can be passed through, passable," from Latin permeare "to pass through, go over," from per- "through" (see per) + meare "to pass," from PIE root *mei- (1) "to change" (see mutable). Related: Permeably.[permeable etymology, permeable origin, 英语词源]