転ずる
てんずる · tenzuru · JLPT N1 · noun
bend
🛞 転 (turn, roll) + ずる (verb ending, to become) = to turn, to shift
転 is the kanji for turning or rolling, as in 回転 (rotation). The ending ずる marks a verb of changing state, so the whole word means shifting from one state or direction to another.