trial and error

learn by trial and error

a recipe (instructions for making or preparing food dishes)

repetition / The iteration mark 々, which indicates that the previous kanji ought to be repeated. / (programming) a loop

to repeat, to do again

(archaic) new, novel / (archaic) latest, recent / (archaic) modern / (archaic) fresh

(obsolete) Alternative spelling of 新たし (aratashi): new, novel

(obsolete) Same as あたらし (atarashi) above

to make [something] / to cook / to write a literary work / to grow, to raise / to cultivate ability, to train / to draw up, form, establish / to make an acquaintance

new, novel / latest, recent / modern / fresh