聽
チョウ, き.く, ゆる.す
careful enquiry, headstrong
JLPT0 G13 S0 F5000
As per ?# as described in 德 (one's true nature) + an element combining 耳 ear with the right-hand element of 廷 (extend straight) → pay heed to what is straight/true → *hear/listen* (compare 聖 and 貞) → *ask*.
[Full Kanji Etymology List]