Taxonomy of meanings for 及至:  

  • WHEN
    • VPt0oN.adSwhen it came to N, then S
    • VPt0oS1.adS2when S1 then S2 (note that S1 may be a minor sentence)
  • REACH
    • VPt(oN)reach or catch up with the contextually determinate N
    • VPtoNreach; catch up with
  • TOPIC MARKER
    • VPt0oN.adStopicaliserwhen it comes to the topic N
  • UNTIL
    • VPt0oN1:post-.Vt0oN2:.adSfrom N2 until N1