Where does “posłyszeć” come from?

posłyszeć (Polish) comes from Polish słyszeć, from Proto-Slavic slyšati, from Proto-Indo-European ḱlew-, from Proto-Indo-European ḱel- — to cover; to incline.

Ancestry of “posłyszeć”, step by step

StepLanguageWordMeaning
1Polishsłyszećto hear
2Proto-Slavicslyšatito hear
3Proto-Indo-Europeanḱlew-to hear
4Proto-Indo-Europeanḱel-to cover; to incline
Every word from Proto-Indo-European ḱel- →Every word from Proto-Indo-European ḱlew- →Every word from Proto-Slavic slyšati →