aláírásukkal

Aláírásukkal is a Hungarian compound form derived from aláírás (signature) plus the third-person plural possessive suffix -uk and the instrumental suffix -val/-vel. It means "with their signatures" or "by their signatures" and is used to indicate that an action, validity, or authentication is achieved through the signatures of multiple people. The phrase functions as an instrumental adverbial expression, specifying means or authority.

Morphology and usage:

The base aláírás denotes a signature. The possessive suffix -uk marks plural third person (their), and -val/-vel marks the instrumental case, yielding aláírásukkal. In singular contexts, one can encounter aláírásával ("with his/her signature"). In sentences, aláírásukkal typically accompanies nouns or verbs to express how something was done or validated, especially in legal, administrative, or formal writing.

Examples:

- A megállapodás aláírásukkal lépett hatályba. (The agreement took effect with their signatures.)

- A dokumentumot aláírásukkal hitelesítették. (The document was authenticated by their signatures.)

- A döntést aláírásával erősítette meg. (He/she strengthened the decision with his/her signature.)

Etymology and context:

The term combines aláírás with -uk and -val/-vel, reflecting Hungarian morphology for indicating means and plural ownership. It is common in legal, bureaucratic, and journalistic Hungarian, where multiple signatories confer authority or legitimacy to a document or decree.