開け胡麻, 開けゴマ: open sesame!

even if one says

to broaden; to become wide / to develop; to progress; to improve / (of a person) to be enlightened; to be inspired; (perfect tense) to be sharp or clever

to open / to begin an event

to open, lift, uncover, unpack / to bloom / to start, open (a store)

open (intransitive verb)

a door (moving part of a hinged door that swings out or in, as opposed to a sliding door or the doorway as a whole) / (by extension) a title page / (figuratively) an entrance to something

door

secret

secret