Where does “délszlávok” come from?

délszlávok (Hungarian) comes from Hungarian délszláv, from Hungarian szláv, from German slawe, from Middle High German slave, from Medieval Latin sclavus, from Ancient Greek Σκλάβος, from Ancient Greek Σκλαβηνός, from Proto-Slavic slověninъ — to cover; to incline.

Ancestry of “délszlávok”, step by step

StepLanguageWordMeaning
1HungariandélszlávYugoslav
2HungarianszlávSlavonic, Slavic; Slav; Slavonic
3GermanslaweSlav member of a Slavic people, male or of unspecified gender
4Middle High Germanslave
5Medieval LatinsclavusSlav, slave; slave
6Ancient GreekΣκλάβοςSlav
7Ancient GreekΣκλαβηνόςSlavic
8Proto-SlavicslověninъSlav
9Proto-Slavicslovoword
10Proto-Balto-Slavicślawas
11Proto-Indo-Europeanḱléwosfame
12Proto-Indo-Europeanḱlew-to hear
13Proto-Indo-Europeanḱel-to cover; to incline
Every word from Proto-Indo-European ḱel-Every word from Proto-Indo-European ḱlew-Every word from Proto-Indo-European ḱléwos