IPA: /ˈpɔːrtətɪv/
KK: /ˈpɔrtətɪv/
Able to be easily carried or moved from one place to another.
The portative device can be taken anywhere, making it very convenient for travel.
Comparative: more portative
Superlative: most portative
Portative is formed from "portare" (meaning to carry) and the suffix "-ive" (meaning having the nature of). The word "portative" refers to something that is capable of being carried or portable.
Think of 'carrying' ('portare') something that is 'capable' ('-ive') of being moved easily.