Where does “SF” come from?
Sf derives from English sixty-fourth, a term of unknown meaning and origin.
SF (English): a book size one sixty-fourth of the size of a...
Definitions
- a book size one sixty-fourth of the size of a...
Ancestry of “SF”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | sixty-fourth | The ordinal form of the number sixty-four,... |
| 2 | English | -th | Used to form nouns from verbs of action; Used to... |
| 3 | Middle English | -eth | Used to form the third-person singular present... |
| 4 | Old English | -eþ | — |
| 5 | Proto-Germanic | -þi | — |
| 6 | Proto-Indo-European | -ti | — |