Where does “csapóajtók” come from?

csapóajtók (Hungarian) comes from Hungarian csapóajtó, from Hungarian csapó, from Hungarian csap, from German Zapfen, from Middle High German zapfen, from Old High German zapfo, from Frankish tappō, from Proto-Germanic tappô — to share, divide.

Ancestry of “csapóajtók”, step by step

StepLanguageWordMeaning
1Hungariancsapóajtótrapdoor a hinged or sliding door set into a floor or ceiling
2Hungariancsapóclapperboard
3Hungariancsaptap, faucet; spigot, pivot, peg, pin; cone
4GermanZapfengerund of zapfen; plug, bung, pin, tap, spigot;...
5Middle High Germanzapfen
6Old High Germanzapfo
7Frankishtappō
8Proto-Germanictappôplug; tap
9Proto-Indo-Europeandeh₂p-to sacrifice; to lose
10Proto-Indo-Europeandeh₂-to share, divide
Every word from Proto-Indo-European deh₂-Every word from Proto-Indo-European deh₂p-Every word from Proto-Germanic tappô