Meaning of year-day in English:

year-day

noun

historical, rare Christian Church
  • The anniversary of a person's death as an occasion for holding an office or service, either in commemoration or to pray for the person's soul; compare "obit" year's mind Also generally: †an anniversary (obsolete).

Origin

Old English (in an earlier sense). From year + day.

Pronunciation

year-day

/ˈjɪədeɪ/ /ˈjəːdeɪ/