'lecture-focused' originates from the combination of 'lecture' and 'focused', where 'lecture' comes from Latin 'lectura', meaning 'a reading', and 'focused' from Latin 'focus', meaning 'hearth' or 'center'.

'lecture' evolved from the Latin 'lectura' through Old French 'lecture', and 'focused' from Latin 'focus', eventually forming the modern English term 'lecture-focused'.

Initially, 'lecture' meant 'a reading', but over time it evolved to mean 'an educational talk', and 'focused' retained its meaning of 'centered on'.