Meaning

verb set up for use

verb put into an office or a position

verb place

originFrom Middle English installen, from Old French installer, from Medieval Latin īnstallō (“to install, put in place, establish”), from in- + stallum (“stall”), from Frankish *stall (“stall, position, place”), from Proto-Germanic *stallaz (“place, position”), from Proto-Indo-European *stel-, *stAlǝn-, *stAlǝm- (“stem, trunk”). Cognate with Old High German stal (“location, stall”), Old English steall…

Etymology from Wiktionary, CC BY-SA 3.0