Quick Definition
I wash dirt off
Strong's Definition
to wash off (reflexively, one's own hands symbolically)
Derivation: from G575 (ἀπό) and G3538 (νίπτω);
KJV Usage: wash
Thayer's Greek Lexicon
ἀπονίπτω: to wash off; 1 aorist middle ἀπενιψαμην; in middle to wash oneself off, to wash off for oneself: τάς χεῖρας, Mat_27:24, cf. Deu_21:6 f (The earlier Greeks say ἀπονίζω but with future ἀπονιψω, 1 aorist ἀπενιψα; the later, as Theophrastus, char. 25 (30 (17)); Plutarch, Phocylides, 18; Athen. iv. c. 31, p. 149 c., ἀπονίπτω, although this is found (but in the middle) even in Homer, Odyssey 18, 179.)
Mounce Concise Greek Dictionary
ἀπονίπτω aponiptō 1x
to cleanse a part of the body by washing;
mid., of one s self, Mat_27:24
Abbott-Smith Greek Lexicon
ἀπο -νίπτω ,
[in LXX for H7857 , H7364 , H4229 ;]
to wash off: mid . (reflex.), τ . χεῖρας , Mat_27:24 .†
Moulton & Milligan — Vocabulary of the Greek NT
ἀπονίπτω [page 67]
Syll 802 .63 (iii/B.C.) : a fraudulent patient at the Asclepieum is told to take off the bandage and ἀπονίψασθαι τὸ πρόσωπον ἀπὸ τᾶς κράνας , in which he sees the penalty of his deceit branded on his face.
STEPBible — Tyndale Abridged Greek Lexicon
ἀπο-νίπτω
[in LXX for שָׁטַף, רָחַץ, מָחָה ;]
to wash off: mid. (reflex.), τ. χεῖρας, Mat.27:24.†
(AS)