words

Not quite.

transmit

You said Later and wider borrowings. It's Latin.

How that family writes these sounds

a prefix you can hear on the front pre-, post-, sub-, trans-, inter-, ex-, re-, de-, ab-, ob-predict, transmit, interject, obstruct

What gives it away on the page

pre-, post-, sub-, trans-, inter-, ex-, re-, de-, ab-, ob- Latin prepositions doing duty as prefixes.predict, transmit, interject, obstruct

Another word → · the full story of transmit · Latin in the guide