始し期き

noun

beginning period; initial term

Refers to the starting point or initial phase of a defined period, often used in legal, contractual, or scheduling contexts.

• 契けい約やくの始し期きは来らい月げつの1つい日たちです。

  The contract's initial term starts on the first of next month.

• 始し期きと終しゅう期きを明めい確かくに定さだめてください。

  Please clearly specify the start and end dates.