~辛い
~づらい · ~durai · JLPT N2 · noun
bash
辛い (tsurai) = painful; verb stem + づらい = painful to do
づらい is つらい (painful) voiced after a verb stem: 読みづらい = painful to read. It means hard because of strain or discomfort, unlike にくい, which is hard by nature. The same kanji also reads からい, spicy.