'erratically-directed' originates from the word 'erratic,' which comes from Latin 'erraticus,' meaning 'wandering' or 'straying.' The suffix '-ally' is used to form adverbs, and 'directed' comes from Latin 'directus,' meaning 'straight' or 'guided.'

'erraticus' transformed into the Old French word 'erratique,' and eventually became the modern English word 'erratic.'

Initially, 'erratic' meant 'wandering' or 'straying,' but over time it evolved to mean 'unpredictable' or 'inconsistent.'