鉄棒
てつぼう · tetsubou · JLPT N1 · noun
rod
🔩 鉄 (tetsu, iron) + 棒 (bou, rod): an iron rod, the same word for crowbar and the gym bar you hang from.
Both the crowbar and the gymnastics bar are rods made of iron, so one compound covers both meanings. Say てつぼう as tetsu-bou, iron-rod.
棒 — wood radical 木 + 奉 (offer/hold)
A semantic-phonetic compound: 木 gives the meaning (a wooden stick or club), while 奉 supplies the sound (bàng/fèng). Originally referring to a wooden staff or cudgel, the meaning later extended colloquially to 'excellent' or 'great,' as in something strong and impressive.