| 1 | Middle English | scismatik | — |
| 2 | Middle French | scismatique | — |
| 3 | Latin | schismaticus | — |
| 4 | Ancient Greek | σχισματικός | — |
| 5 | Ancient Greek | σχίσμα | That which is divided: division, rent, split; A... |
| 6 | Ancient Greek | σχίζω | I split, cleave; I divide |
| 7 | Proto-Indo-European | sḱeyd- | to shade; to cut off; to part with, separate, cut... |
| 8 | Proto-Indo-European | sḱēy- | to shine; to shimmer; shadow; luster, gloss,... |
| 9 | Proto-Germanic | skaidą | separation, distinction |
| 10 | Proto-Indo-European | skÁit- | to cut, part, spearate, divide; to cut, part,... |