Meaning

adjective open to doubt or debate

adjective making great mental demands; hard to comprehend or solve or believe

originBorrowed from Middle French problématique, from Late Latin problematicus, from Ancient Greek προβληματικός (problēmatikós), from πρόβλημα (próblēma, “outjutting, barrier, problem”), from προβάλλω (probállō, “I throw, place before”), from πρό (pró, “before”) + βάλλω (bállō, “I throw, place”). By surface analysis, problem + -atic.

Etymology from Wiktionary, CC BY-SA 3.0