godan verb (-su), intransitive verb
begin to bloom; come out
Describes flowers starting to open; often used for the onset of blooming in spring.
桜が咲き出した。
The cherry blossoms have started to bloom.
庭のチューリップが次々と咲き出す。
The tulips in the garden begin to bloom one after another.
Standard kanji spelling for 'to begin to bloom'.
Variant with だす in kana; common in casual writing.
Compound of 咲き (continuative form of 咲く 'to bloom') + 出す (auxiliary verb meaning 'to begin to').