parent's heart, love from parents

child-like innocent heart

(historical) Kolonai, a city in ancient Greece

(historical) Colophon, a city in ancient Greece

at that time; in those days

a tree; more specifically, a living tree / the bent and gnarled trunk or roots of an old tree / wood, lumber / something made of wood / in ancient China, a wooden musical instrument

匁: (obsolete) A Japanese weight unit (3.75 grams).

to think; to consider / to train; to practice

The katakana syllable ム (mu). Its equivalent in hiragana is む (mu). It is the thirty-third syllable in the gojūon order; its position is マ行ウ段 (ma-gyō u-dan, “row ma, section u”).

早速: immediately, at once