訓 へだ(てる),へだ(たる) ・ 音 カク
Sino-Vietnamese: cách
Mound 阝 plus 鬲 for sound: a ridge separating two sides, hence to isolate or alternate.
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
会議は隔週で開かれる。 (かいぎはかくしゅうでひらかれる)
The meeting is held every other week.