thenceforward

thence +‎ forward

• Audio (Southern England)

  (file)

thenceforward (not comparable)

1. from then on; from that time on
   • 1960 June, R. C. Riley, “The coastal branches of South-East Devon: Part Two”, in Trains Illustrated, page 342:

     Combpyne is 4¼ miles from Axminster, and ¼ mile beyond the station the gradient changes, the line thenceforward falling all the way to Lyme Regis.

• (from that time on): thenceforth, thenceforwards, thereafter

• henceforward

• “thenceforward”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.