-mobilesuffix
Primary stress is retained by the usual stressed syllable of the preceding element and vowels may be reduced accordingly; see e.g.
electromobile n.Origin: Formed within English, by clipping or shortening. Etymon: automobile n.
Etymology: < -mobile (in automobile n.). Compare French -mobile in hippomobile (1896 as noun, 1897 as adjective: compare hippomobile n. and adj.), locomobile (1805 as adjective, 1840 as noun: compare locomobile adj.).The earliest English formations are electromobile n., pushmobile n., and snowmobile n. Most of the earlier formations had a first element denoting the motive power. In formations since the mid 20th cent. the first element has usually referred to the purpose for which the vehicle is used, e.g. bookmobile n. In a few cases the first element denotes the person or type of person using the vehicle, e.g. pimpmobile n.
This entry has been updated (OED Third Edition, September 2002; most recently modified version published online June 2021).