(idiomatic) to self-reflect, to give a serious thought

breast, chest / heart, feeling, thought

chest, breast / heart, inner thoughts / bosom, breasts

(medicine) the Hippocratic oath

strengthens the prefixed adjective or adjectival noun

one who does the previous word's action: -ist, -er / (board games) counter for moves in shogi, go, etc.

hand / handicraft, skill, talent / one who does an action: -ist, -er / handwork

(childish) Alternative spelling of おてて (“hand”)

to hold in one's hand / to obtain

hand