| Language | Reflex(es) | Gloss | Grammar | Sources |
|---|
| Indo-Iranian |
| Sanskrit | śiśira- | cool, cold | TBD | IEW UKY GPT |
| Sanskrit | śiśira- | cool time, cold | TBD | IEW UKY GPT |
| Sanskrit | śarád- | Autumn | TBD | IEW UKY GPT |
| Avestan | sarəta- | cold | TBD | IEW UKY GPT |
| Ossetic | sald | Cold | TBD | IEW UKY GPT |
| Avestan | sarə-δā- | Bringing cold | TBD | IEW UKY GPT |
| Avestan | sarəδ- | Year | TBD | IEW UKY GPT |
| Ossetic | särd | Summer | TBD | IEW UKY GPT |
| New Persian | sard | cold | TBD | IEW UKY GPT |
| New Persian | sāl | Year | TBD | IEW UKY GPT |
| North Germanic |
| Old Icelandic | hēla | Mature | TBD | IEW UKY GPT |
| Old Icelandic | hāll | smooth, sly | TBD | IEW UKY GPT |
| Old Icelandic | hlǣr | lukewarm | TBD | IEW UKY GPT |
| Old Icelandic | hlāka | Thaw | TBD | IEW UKY GPT |
| Old Icelandic | hlȳr | lukewarm | TBD | IEW UKY GPT |
| Old Icelandic | hlȳ | Warmth | TBD | IEW UKY GPT |
| Old Icelandic | hlē | Protection, lee side | TBD | IEW UKY GPT |
| Norwegian | lum | mild, tepid | TBD | IEW UKY GPT |
| Swedish | lya | Cave of animals | TBD | IEW UKY GPT |
| Danish | lummer | mild, tepid | TBD | IEW UKY GPT |
| Swedish | ljum | mild, tepid | TBD | IEW UKY GPT |
| West Germanic |
| Dutch | hal | frozen ground | TBD | IEW UKY GPT |
| Old Saxon | halōian | to burn | TBD | IEW UKY GPT |
| Old Saxon | hleo | Protection against the weather | TBD | IEW UKY GPT |
| Dutch | luk | lukewarm | TBD | IEW UKY GPT |
| Dutch | leuk | lukewarm | TBD | IEW UKY GPT |
| Old High German | hāli | slippery, smooth | TBD | IEW UKY GPT |
| New High German | hāl | slippery, smooth | TBD | IEW UKY GPT |
| Old High German | lāo | lukewarm | TBD | IEW UKY GPT |
| Bavarian | läunen | thaw | TBD | IEW UKY GPT |
| Middle High German | liewe, lie | Arbor | TBD | IEW UKY GPT |
| Old Frisian | hlī | Shelter, blanket, protection | TBD | IEW UKY GPT |
| MISSING |
| Swiss | hǟl | slippery, smooth | TBD | IEW UKY GPT |
| Swiss | lē | protected location, sunny side | TBD | IEW UKY GPT |
| Swiss | lūm | mild, from the weather | TBD | IEW UKY GPT |
| English |
| Anglo-Saxon | hǣlig | unreliable | TBD | IEW UKY GPT |
| Anglo-Saxon | hlēowe | lukewarm | TBD | IEW UKY GPT |
| Anglo-Saxon | hlēo, hlēow | Shelter, blanket, protection | TBD | IEW UKY GPT |
| Balto-Slavic |
| Lithuanian | šąlù, šálti | to freeze/shiver | TBD | IEW UKY GPT |
| Latvian | sal̂t | to freeze/shiver | TBD | IEW UKY GPT |
| Lithuanian | šáltas | cold | TBD | IEW UKY GPT |
| Latvian | sal̂ts | cold | TBD | IEW UKY GPT |
| Lithuanian | šalnà | Mature | TBD | IEW UKY GPT |
| Latvian | sal̂na | Mature | TBD | IEW UKY GPT |
| Lithuanian | pãšalas | frozen ground | TBD | IEW UKY GPT |
| Lithuanian | pašolỹs | Night frost, frost in the ground | TBD | IEW UKY GPT |
| Lithuanian | šylù, šilaũ, šìlti | to warm up | TBD | IEW UKY GPT |
| Lithuanian | šil̃tas | warm | TBD | IEW UKY GPT |
| Old Prussian | passalis | Frost | TBD | IEW UKY GPT |
| Old Bulgarian | slana | Mature | TBD | IEW UKY GPT |
| Italic |
| Latin | caleō, -ēre | warm, to be hot, to glow | TBD | IEW UKY GPT |
| Latin | calidus | warm, hot | TBD | IEW UKY GPT |
| Latin | calor | Warmth, heat | TBD | IEW UKY GPT |
| Celtic |
| Welsh | clyd | warm, warming | TBD | IEW UKY GPT |
| Welsh | claear | lukewarm | TBD | IEW UKY GPT |
| Breton | klouar | lukewarm | TBD | IEW UKY GPT |
| Welsh | clyd | cozy, comfortable | TBD | IEW UKY GPT |