IPA: /ˈɪntərˌpɔɪnt/
KK: /ˈɪntərˌpɔɪnt/
To mark or indicate something with points or pauses, often in writing or speech.
The teacher asked the students to interpoint their essays to improve clarity.
Past: interpointed
Past Participle: interpointed
Interpoint is formed from "inter-" (meaning between) and "punctus" (meaning point). The word refers to a point that is located between other points.
Think of something that is a 'point' ('punctus') 'between' ('inter-') other points — that's what interpoint means.