IPA: /ˌpoʊstpəˈzɪʃənl/
KK: /ˈpoʊstpəˌzɪʃənl/
Relating to a grammatical structure where a word or phrase follows another word, typically indicating a relationship or function in a sentence.
In some languages, postpositional phrases are used instead of prepositional phrases.
Postpositional → It is formed from "post-" (meaning after) and "position" (from Latin "positio", meaning placement). The word refers to something that is placed after or following another element in a sentence or structure.
Think of something that is 'placed after' ('post-') another element — that's what postpositional means.