English
encash
Probably a back-formation from encashment, equal to en- + cash.
Proto-Indo-European *kap- ‘grasp’
Latin capiō ‘take’
Latin capsa ‘box’
Occitan caissa
Middle French caisse ‘money-box’
English cash
Today it means
verb To convert a financial instrument or funding source into cash.
Language periods are conventional ranges, not dates for this word.
Etymograph / encash