English

femtocache

From femto- + cache.

Proto-Germanic *fimftehun ‘fifteen’

Old Norse fimmtán ‘fifteen’

Danish femten ‘fifteen’

Latin coāctus

…

Vulgar Latin *coacticāre ‘to press’

Old French cachier ‘to hide’

French cacher ‘to hide’

French cache

English cache

Today it means

noun A cache of femtocells.

Language periods are conventional ranges, not dates for this word.

Etymograph / femtocache