yhte- (“one”) +‎ -isö. Coined by Finnish author and journalist Pietari Hannikainen in 1847.

• IPA^(key): /ˈyhtei̯sø/,
• Rhymes: -yhteisø
• Hyphenation^(key): yh‧tei‧sö

yhteisö

1. community (group of people sharing a common understanding)
2. (law) corporation, organization (group of individuals, created by law or under authority of law, having a continuous existence independent of the existences of its members, and powers and liabilities distinct from those of its members)

• “yhteisö”, in Kielitoimiston sanakirja [Dictionary of Contemporary Finnish]‎ (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki: Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland), 2004–, retrieved 2023-07-04