'conventionally-transmitted' originates from the words 'conventionally' and 'transmitted'. 'Conventionally' comes from 'convention', which originates from Latin 'conventio', meaning 'a coming together'. 'Transmitted' comes from Latin 'transmittere', where 'trans-' meant 'across' and 'mittere' meant 'to send'.

'Conventionally' evolved from the Latin 'conventio' through Old French 'convention', and 'transmitted' evolved from Latin 'transmittere' through Old French 'transmettre'.

Initially, 'conventionally' meant 'in accordance with convention', and 'transmitted' meant 'sent across'. Over time, 'conventionally-transmitted' came to mean 'spread through traditional methods'.