央
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
大 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]