Where does “ceathrúil” come from?
ceathrúil (Irish) comes from Irish -úil, from Middle Irish -amail, from Old Irish -amail, from Old Irish amail, from Old Irish samail, from Proto-Celtic samalis, from Proto-Indo-European sem- — together, one.
ceathrúil (Irish): quadruple
Ancestry of “ceathrúil”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Irish | -úil | Used to form many adjective forms from nouns in... |
| 2 | Middle Irish | -amail | -like |
| 3 | Old Irish | -amail | -like |
| 4 | Old Irish | amail | Alternative form of amal; like, as |
| 5 | Old Irish | samail | verbal noun of samlaidir; likeness, similarity;... |
| 6 | Proto-Celtic | samalis | similitude, description |
| 7 | Proto-Indo-European | sem- | together, one |