one

to be careful about ~

be careful, watch out / take care

お目々, 御目々: (childish) eye

each person

to hold in one's hand / to obtain

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

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