Where does “árthat” come from?

árthat (Hungarian) comes from Hungarian árt, from Hungarian át-, from Hungarian avat, from Hungarian avik — to intrude; to be absorbed, penetrate.

Ancestry of “árthat”, step by step

StepLanguageWordMeaning
1Hungarianártto harm, hurt someone, to be bad or harmful to...
2Hungarianát-through, across
3Hungarianavatto inaugurate; to let in on; to preshrink
4Hungarianavikto intrude; to be absorbed, penetrate
Every word from Hungarian avikEvery word from Hungarian át-Every word from Hungarian árt