| Language | Reflex(es) | Gloss | Grammar | Sources |
|---|
| English |
| Middle English | anniversarie | anniversary | n | W7 LRC |
| Middle English | annual | annual | adj | W7 LRC |
| Middle English | annuite | annuity | n | W7 LRC |
| English | annals | history, chronicles | n.pl | AHD W7 LRC |
| English | anniversary | annual recurrence of date marking notable event | n | AHD W7 LRC |
| English | annual | yearly | adj | AHD W7 LRC |
| English | annual | 1-year/annual event | n | W7 LRC |
| English | annuity | annual payment | n | AHD W7 LRC |
| English | annum | year | n | OED LRC |
| English | biennium | 2-year period | n | AHD W7 LRC |
| English | decennary | (re:) decennium | adj | AHD LRC |
| English | decennium | 10-year period | n | AHD W7 LRC |
| English | millennium | 1000-year period | n | AHD W7 LRC |
| English | perennial | everlasting, lit. through years | adj | AHD W7 LRC |
| English | quadrennium | 4-year period | n | AHD W7 LRC |
| English | quindecennial | re: 15-year period | adj | AHD LRC |
| English | quinquennium | 5-year period | n | AHD W7 LRC |
| English | septennial | (happening) every 7 years | adj | AHD W7 LRC |
| English | sexennial | (happening) every 6 years | adj | AHD LRC |
| English | superannuated | outmoded | adj | AHD W7 LRC |
| English | triennium | 3-year period | n | AHD W7 LRC |
| English | vicennial | (happening) every 20 years | adj | AHD W7 LRC |
| West Germanic |
| German | Annalen | annals | n.fem.pl | LRC |
| East Germanic |
| Gothic | *at-aþni | year | n.neut | GED LRC |
| Gothic | *aþn | year | n.neut | GED LRC |
| Gothic | aþnam | years | n.neut.dat.pl | W7 GED LRC |
| Italic |
| Oscan | acunum | of years | n.gen.pl | GED LRC |
| Oscan | akeneí | in the year | n.abl | GED LRC |
| Umbrian | acnu | years | n.acc.pl | GED LRC |
| Latin | annales | annals | n.fem.pl | W7 LRC |
| Latin | annalis | annual | adj | W7 LRC |
| Latin | anniversārius | recurring annually | adj | W7 LRC |
| Latin | annus, anni | annum | n.masc | GED LRC |
| Latin | annuus | annual, lasting one year | adj | W7 LRC |
| Latin | biennium | 2-year period | n.neut | GED LRC |
| Latin | decennium | 10-year period | n.neut | W7 LRC |
| Latin | -ennium | year(s) | sfx | W7 LRC |
| Latin | perennis | lasting the entire year | adj | GED LRC |
| Latin | quadriennium | 4-year period | n.neut | W7 LRC |
| Latin | quinquennium | 5-year period | n.neut | W7 LRC |
| Latin | quotannis | yearly, annually | adv | LRC |
| Latin | triennium | 3-year period | n.neut | GED LRC |
| Late Latin | annualis | annual | adj | W7 LRC |
| Late Latin | septennium | 7-year period | n.neut | W7 LRC |
| Late Latin | vicennium | 20-year period | n.neut | W7 LRC |
| Medieval Latin | anniversāria | anniversary | n | AHD LRC |
| Medieval Latin | annuitas, annuitatis | annuity | n.fem | W7 LRC |
| Medieval Latin | superannuor, superannuari, superannuatus | to be too old | vb.dep | W7 LRC |
| New Latin | biennium | every 2 years | n.neut | W7 LRC |
| New Latin | -ennium | year(s) | sfx | W7 LRC |
| New Latin | millennium | 1000-year period | n.neut | W7 LRC |
| Old French | annuel | annual | adj | AHD LRC |
| Anglo-French | annuite | annuity | n | AHD LRC |
| Middle French | annuel | annual | adj | W7 LRC |
| Middle French | annuité | annuity, annual tax/rent | n.fem | W7 LRC |
| Indo-Iranian |
| Sanskrit | átati | to go, walk | vb | GED LRC |