-mobile /məʊˌbiːl/
suffix forming nouns
indicating a vehicle designed for a particular person or purpose
⇒ 
Popemobile
ORIGIN: from auto)mobile  noun .
-mo·bile
\mōˌbēl, məˌ- sometimes -ˌbil\  noun combining form 
(-s) 
Etymology: automobile 
 : vehicle 
< clubmobile >
< bookmobile >
< bloodmobile >
< clubmobile >
< bookmobile >
< bloodmobile >
-mobile
Suffix
- Used to form nouns meaning a particular type of vehicle, particularly one to transport the person or thing described by the word to which the suffix is attached.