bosom, breast, chest, heart, feelings
胸 centers on the physical chest area and, by extension, the heart as the seat of emotions and inner feelings.
胸 combines the flesh radical ⺼ with 匈, which likely contributes the sound and may relate to the chest area. The exact historical development of 匈 is uncertain.
The flesh radical ⺼ on the left indicates a body part, and the right side 匈 looks like a container wrapped around something. Picture the chest as a container holding the heart and feelings.
For キョウ, imagine a strong chest that can carry a heavy load: 'kyou' sounds like 'kyo' in 'kyodai' (huge), and a huge chest holds big feelings.
chest; breast
courage; bravery; pluck; nerve; grit; guts
breast; chest
chest; breast
feeling; mood
chest hair; breast down
heartburn; sour stomach
chest measurement
bust (sculpture); half-length portrait
uneasiness; vague apprehension; premonition
breastbone; sternum
breast; chest
thoracic vertebra; thoracic vertebrae
one's heart; one's mind; one's intentions
pneumothorax
breastplate; chest protector
chest; thorax
collar; lapels
breastwork; parapet
thymus