perusosa

perus- (“basic, fundamental”) +‎ osa (“part, component, element”)

• IPA^(key): /ˈperusˌosɑ/, [ˈpe̞rus̠ˌo̞s̠ɑ̝]
• Rhymes: -osɑ
• Syllabification^(key): pe‧rus‧o‧sa

perusosa

1. A basic element or fundamental part of anything.
2. component (smaller, self-contained part of a larger entity; often refers to a manufactured object that is part of a larger device)

   Keskussuoritin on tietokoneen perusosa.

   A central processing unit is a component of a computer.

3. (linguistics) head (morpheme that determines the category of a compound)

   Synonyms: edusosa (“headword of a compound”), jälkiosa (“headword of a compound”)

4. (aviation) base leg, base (during an approach)

• määriteosa
• yhdyssana

• “perusosa”, 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 2023-07-03