OpenEtymology

undue

UKʌnˈdjuːUSʌnˈduː

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Meaning

1adj

excessive or unwarranted; more than is appropriate or deserved

2adj

not yet payable or owed

Structure

word structure
1
un
not
+
2
due
owed, appropriate

Usage

the panel concluded that the company had exerted undue influence over the regulatory process.

he faced undue hardship after losing his job and his home in the same month.

the payment is not undue until the end of the next billing cycle.

Etymology

The word 'undue' is a straightforward English formation combining the native negative prefix 'un-' with the adjective 'due'. The core term 'due' has a rich lineage, tracing back to the Latin verb 'debere', meaning "to owe", which itself is a compound of 'de-' (completely) and 'habere' (to have). Entering English via Old French, 'due' came to signify something that is owed, just, or proper. By prefixing 'un-', the word 'undue' was created to logically denote the opposite: something that is not owed, not proper, or exceeding what is just, thus giving rise to its modern meanings of being excessive or not yet payable.

Analysis

Structure
un (not) + due (owed, appropriate)=unnot+dueowed, appropriate

- un: a prefix of english origin, from old english 'un-', meaning "not". it functions as a negative or reversing particle. - due: from middle english 'dewe', from old french 'deu', past participle of 'devoir' (to owe), from latin 'debere' (to owe). it functions as the core adjective meaning "owed" or "appropriate".

Undue Meaning & Word Parts (un + due) | OpenEtymology