'narrow-focused' originates from the combination of 'narrow' and 'focused', where 'narrow' meant 'limited in extent' and 'focused' meant 'concentrated on a particular point'.

'narrow' and 'focused' were combined in modern English to form the compound adjective 'narrow-focused'.

Initially, 'narrow' meant 'limited in extent', and 'focused' meant 'concentrated on a particular point'. The combination retains these meanings in modern usage.