オウ, あきら, え, お, さと, ちか, てる, なか, ひさ, ひろ, や

center, middle

JLPT2 G3 S5 F582

stand outstretched + a bar-like object → person standing outstretched, a pole with heavy objects at both ends extending beyond the shoulders → *center*; *middle* (← pressure exerted on the center of the body).

[Full Kanji Etymology List]