(Translated by https://www.hiragana.jp/)
さだ - Wiktionary, the free dictionary

Japanese

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For pronunciation and definitions of さだ – see the following entries.
とき2
[noun] (obsolete) Only used in どき (sada sugu): to pass through the prime of life, grow old
佐田さた
[proper noun] a surname
すなさた
[proper noun] Shatuo (a Turkic tribe that influenced northern Chinese politics from the late 9th century through the 10th century)
(This term, さだ (sada), is the hiragana spelling of the above terms.)
For a list of all kanji read as さだ, see Category:Japanese kanji read as さだ.)