From Latin 'emittere' (to send out) — one of the most prolific Latin roots, also behind 'mission,' 'message,' and 'missile.'
To send out or give off (light, heat, sound, gas, radiation, etc.); to issue formally, as a decree or currency.
From Latin 'ēmittere' (to send out, let go, release, publish), composed of 'ē-' (out, a variant of 'ex-') + 'mittere' (to send, to let go, to throw). The origin of 'mittere' is one of the great unsolved problems of Latin etymology — it has no clear Indo-European cognates, and some scholars suspect it may be a pre-Latin Italic substrate word. Despite this murky origin, 'mittere' became one of the most productive verb roots in the Romance languages and in English
The Latin verb 'mittere' (to send) produced more English words than almost any other Latin verb. Every word ending in '-mit' or '-miss-' descends from it: 'admit' (send to), 'commit' (send together), 'dismiss' (send away), 'omit' (send past, let go), 'permit' (send through), 'promise' (send forward), 'submit' (send under), 'transmit' (send across), 'remit' (send back). Even 'missile' (something sent) and 'message