'just-sent' is a compound word formed from 'just' and 'sent'. 'Just' originates from Latin 'justus', meaning 'righteous' or 'exact', and 'sent' is the past participle of 'send', which comes from Old English 'sendan'.

'Just' evolved from Middle English 'juste', and 'sent' from Old English 'sendan', eventually forming the modern compound 'just-sent'.

Initially, 'just' meant 'exactly' or 'righteous', and 'sent' meant 'dispatched'. Together, they convey the idea of something recently dispatched.