Meaning

adjective exhibiting methodical and systematic characteristics that would be useful in business

adjective not distracted by anything unrelated to the goal

originEtymology tree Proto-West Germanic *bisīg Old English bisiġ Proto-Germanic *-in- Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Indo-European *-h₂ti Proto-Germanic *-ōną Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic…

Etymology from Wiktionary, CC BY-SA 3.0