aught

Etymology 1

From Middle English aught, ought, from Old English āht, āwiht from ā (“always", "ever”) + wiht (“thing", "creature”). More at aye, wight.

pron

1. (archaic or dialectal) anything whatsoever, any part.
   There was Eru, the One, who in Arda is called Ilúvatar; and he made first the Ainur, the Holy Ones, that were the offspring of his thought, and they were with him before aught else was made. 1977, J. R. R. Tolkien, Silmarillion, Ainulindalë, (Please provide the book title or journal name)

adv

1. (archaic) At all, in any degree, in any respect.

Etymology 2

Meaning of "zero" by confusion with naught. Used amongst those who were once called "non-U" speakers of English.

noun

1. whit, the smallest part, iota
2. (archaic) zero
3. The digit zero
   as the decade in years (for example, aught-nine for 1909 or 2009)
   in gun calibers (for example, thirty-aught-six for .30-06)

Etymology 3

From Middle English aught (“estimation, regard, reputation”), from Old English æht (“estimation, consideration”), from Proto-West Germanic *ahtu. Cognate with Dutch acht (“attention, regard, heed”), German Acht (“attention, regard”). Also see ettle.

noun

1. (regional) Estimation.
   In my aught.
2. (regional) Of importance or consequence (in the phrase "of aught").
   An event of aught.
3. (regional, rare, obsolete) Esteem, respect.
   A man of aught (a man of high esteem, an important or well-respected man).
   Show some aught to your elders, boy.

Etymology 4

Originally the past tense of owe.

verb

1. Obsolete or dialectal form of ought

Etymology 5

From Middle English ahte, from Old English eahta (“eight”). More at eight.

num

1. Obsolete or dialectal form of eight.