czteroletnie

Czteroletnie is a Polish adjective form meaning “four-year-old.” It is used to describe a noun that is four years old, most commonly in reference to people, animals, or objects whose age is given in years. The form is typically used with neuter singular nouns (for example czteroletnie dziecko) and with plural nouns, where its ending changes to agree with the noun's gender and number (for example czteroletnie dzieci, czteroletni chłopiec, czteroletnia dziewczynka).

In terms of grammar, czteroletnie is the neuter singular nominative form of the adjective czteroletni/czteroletnia/czteroletnie, which declines like other adjectives to match the gender and number of the noun it accompanies. The masculine form is czteroletni, the feminine form is czteroletnia, and the neuter/plural form often appears as czteroletnie in many common constructions. Common usage includes phrases such as czteroletnie dziecko (a four-year-old child), czteroletni chłopiec (a four-year-old boy), and czteroletnie dziewczynki (the four-year-old girls, depending on context).

Etymology and related terms: czteroletnie is built from cztery (four) with the prefix cztero-, combined with letni, an adjective related to years or age in years. Related noun forms include czterolatek (a four-year-old boy) and czterolatka (a four-year-old girl), which are commonly used in everyday language to refer to children by age.

Czteroletnie is primarily used to convey age in a neutral, descriptive manner, suitable for formal and informal contexts.