Where does “tail event” come from?
tail event (English) comes from English event, from Middle French event, from Latin ēventus, from Latin ēveniō, from Latin ex, from Latin commūnicō, from Latin commūnis, from Old Latin com(m)oinis — resin.
tail event (English): an event associated with a given infinite sequence Y=\{ y_k| k\ge k_0 \} that is determined by any subsequence of the form Y_n=\{ y_k|k\ge n\}, n\ge k_0 (a "tail" of that sequence)
Definitions
- an event associated with a given infinite sequence Y=\{ y_k| k\ge k_0 \} that is determined by any subsequence of the form Y_n=\{ y_k|k\ge n\}, n\ge k_0 (a "tail" of that sequence)
Ancestry of “tail event”, step by step
tail event traces back through two separate lines of ancestry.
via English event
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | event | An occurrence; something that happens; A... |
| 2 | Middle French | event | — |
| 3 | Latin | ēventus | event, occurrence, reality |
| 4 | Latin | ēveniō | to happen, occur |
| 5 | Latin | ex | A name of the letter "X"; out of, from |
| 6 | Latin | commūnicō | to impart, share |
| 7 | Latin | commūnis | common, commonplace, ordinary, general, universal, shared, shared alike, of both sides, belonging to two or more together |
| 8 | Old Latin | com(m)oinis | — |
| 9 | Proto-Italic | kommoinis | common |
| 10 | Proto-Indo-European | ḱom-moy-ni- | held in common |
| 11 | Proto-Indo-European | ḱóm | beside, near, by, with |
| 12 | Proto-Indo-European | ḱe | Deictic particle, here; Post-positional... |
| 13 | Middle English | kyt | — |
| 14 | German | kitt | putty certain kinds of cement used for fixing e.g. window panes |
| 15 | Old High German | kuti | — |
| 16 | Proto-West Germanic | kwidu | gum, resin |
| 17 | Proto-Germanic | kweduz | resin |
via English Tail
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | Tail | A Chinese constellation coinciding with the tail of Scorpius, one of the 28 lunar mansions and the tail of Azure Dragon |
| 2 | Middle English | tayl | A tail; The back side or reverse of a creature; A... |
| 3 | Old English | tæġl | tail |
| 4 | Proto-Germanic | taglą | hair; ponytail; hair of a tail; tail |
| 5 | Proto-Indo-European | doḱ- | hair of the tail |
| 6 | Proto-Indo-European | deḱ- | take; perceive |