septuagesimal
Consisting of seventy days, years, etcConsisting of seventy days, years, etc.; having seventy as a base.
/ˌsɛptjuəˈd͡ʒɛsɪməl/
Meaning
1 senses(not comparable)Consisting of seventy days, years, etc.; having seventy as a base.
septuagesimal pilgrimage
septuagesimal season