(いこう)

いこう
noun, verb-suru
transition, migration, shift
1. transition, migration, shift, changeover
The process of moving from one state, system, or phase to another. Commonly used in business, technology, and policy contexts for planned, systematic changes.
(あたら)しいシステムに移行(いこう)する。
To transition to a new system.
移行(いこう)期間(きかん)(さん)(げつ)予定(よてい)している。
The transition period is planned for three months.
データの移行(いこう)作業(さぎょう)完了(かんりょう)するまで、(きゅう)システムも並行(へいこう)して使用(しよう)する。
Until the data migration is complete, the old system will also be used in parallel.

USAGE:
As a する verb, 移行(いこう)する means "to transition to" or "to migrate to." The particle に marks the destination: ~に移行(いこう)する. Often used for planned, organized transitions rather than spontaneous changes.

COMMON COLLOCATIONS:

  • 移行(いこう)期間(きかん): transition period
  • 移行(いこう)作業(さぎょう): migration work
  • ~に移行(いこう)する: to transition to ~
  • 段階的(だんかいてき)移行(いこう)する: to transition in stages
  • スムーズに移行(いこう)する: to transition smoothly

SIMILAR WORDS:
変更(へんこう) means "change" or "modification" and focuses on altering something specific. 移行(いこう) implies a broader shift from one state or system to another and typically involves a process over time.