hatáson
Hatáson is a term used in Hungarian linguistics to refer to a specific locative form associated with the word határ, meaning border or boundary. In the general Hungarian case system, locative forms convey location or position relative to a boundary, surface, or limit. For many nouns this meaning is expressed with the suffixes -on/-en/-ön, adjusted to fit vowel harmony and the phonology of the base word. While határon is the standard and most common locative form for border, hatáson appears in some dialectal varieties and in older or more formal texts.
Etymology and form: hatáson is derived from the stem határ plus the locative suffix. Its use highlights
Usage and register: In modern standard Hungarian, határon is typically preferred for “on the border.” Hatáson
Related concepts: Hungarian grammar, locative case, other boundary-related terms such as határ, határaink, and phrases using