Proto-Indo-European Roots
| Root/Stem: | *daiwér- |
| Meanings: | husband's brother |
| Cognates: | |
| Hellenic | Greek daér 'husband's brother', acc. daera |
| Italic | Latin lévir 'husband's brother' |
| Indic | Sanskrit devar- 'husband's brother' |
| Armenian | Armenian taigr 'husband's brother' |
| Germanic | Common Germanic *taikur 'husband's brother'
> Old High German zeihhur, Old English tácor 'husband's brother' |
| Baltic | Lithuanian dieveris 'husband's brother', Latvian dieveris |
| Slavic | Common Slavic *de.verï 'husband's brother'
> Russian dever' 'husband's brother', Ukrainaian diver, Belorussian dzever', Bulgarian & Slovene dever, Serbo-Croatian djever, Polish dziewierz |
| Notes: | Another family term with the same *-ér suffix denoting family relations. The most interesting cognate here is Latin where we see the initial mutation d > l, as in a few other Latin words. It is interesting also to analyse a Lithuanian word laigonas 'wife's brother' here. |