The word 'door-related' is a modern English compound, formed by combining 'door' and the suffix '-related', where 'related' comes from Latin 'relatus', meaning 'brought back' or 'connected'.

'Related' comes from Latin 'relatus', which became 'relate' in Middle English, and the compound 'door-related' emerged in modern English as a descriptive term.

Initially, 'related' meant 'brought back' or 'connected', and in the compound 'door-related', it means 'connected to doors'.