Sui generis
In sociology, the "sui generis" is what has been externalized, then internalized in the overall public and becomes a part of society that simply exists in its construct. It is not something that is not thought to have been created, because it is imbedded in everyone's way of thinking and being. Instances include the idea of love, or going to school, or clothing belonging to a specific gender. These examples are "sui generis" for they simply exist in society and are widely accepted without thoughts of where they come from or how they were created.
Swedes (Germanic tribe)
Most scholars agree that "Suiones" and the attested Germanic forms of the name derive from the same Proto-Indo-European reflexive pronominal root, , as the Latin "suus". The word must have meant "one's own (tribesmen)". In modern Scandinavian, the same root appears in words such as "svåger" (brother-in-law) and "svägerska" (sister-in-law). The same root and original meaning is found in the ethnonym of the Germanic tribe Suebi, preserved to this day in the name "Schwaben" (Swabia). The details of the phonetic development vary between different proposals.