Where does “septipartite” come from?

septipartite (English) comes from English partite, from Latin partītus, from Latin partiō, from Latin pars, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “septipartite”, step by step

StepLanguageWordMeaning
1Englishpartitedivided into parts
2Latinpartītusshared, parted, distributed, divided, having been shared
3Latinpartiōto share, part, apportion; divide, distribute
4Latinparspart, side, piece, share; some; faction
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Latin pars