| Language | Reflex(es) | Gloss | Grammar | Sources |
|---|
| English |
| English | sesqui- | one and a half | pfx | AHD W7 LRC |
| English | sesquipedal | sesquipedalian | adj | AHD LRC |
| English | sesquipedalian | one and a half feet tall/long | adj | AHD LRC |
| English | hemi- | half | pfx | AHD W7 LRC |
| English | Samwise | simple hobbit in Tolkien: The Lord of the Rings | prop.n | LRC |
| English | sand-blind | purblind, half-blind, having poor eyesight | adj | AHD W7 LRC |
| English | semi- | half | pfx | AHD W7 LRC |
| Old English | sām- | semi- | pfx | RPN LRC |
| Old English | sām-wīs | dull, simple, foolish, lit. half-wise | adj | ASD LRC |
| Middle English | hemi- | hemi- | pfx | W7 LRC |
| Middle English | samblind | sand-blind | adj | W7 LRC |
| Middle English | sand-blind | sand-blind | adj | W7 LRC |
| Middle English | semi- | semi- | pfx | W7 LRC |
| West Germanic |
| Old Saxon | sām- | semi- | pfx | RPN LRC |
| Old High German | sāmi- | semi- | pfx | RPN LRC |
| German | semi- | semi- | pfx | LRC |
| Italic |
| Latin | hēmi- | hemi- | pfx | W7 LRC |
| Latin | sēm(i)- | semi- | pfx | RPN LRC |
| Latin | sēmis | half (of anything) | n | RPN LRC |
| Hellenic |
| Homeric Greek | ἡμι- | hemi- | pfx | LRC |
| Homeric Greek | ἥμισυ | half | n.neut | LRC |
| Homeric Greek | ἥμισυς | half | adj | LRC |
| Greek | ἡμῖ- | hemi- | pfx | RPN LRC |
| Greek | ἥμῖσυς | half | adj | RPN LRC |
| Indo-Iranian |
| Sanskrit | sāmí | halfway, incompletely | adv | RPN LRC |