Liddell-Scott-Jones

κατατρίβω (katatribō) to wear away ^G:V

κατατρίβω-τρίβω [ῑ],

future -ψω [Refs 5th c.BC+]: perfect - [Refs 6th c.BC+] (see. below):—passive, future -[Refs 6th c.BC+]:— rub down or away: hence,

__1 of clothes, wear out, [κατατρίβωτρίψασα ἡ ψυχή Plato Philosophus [{5-6th c.BC}] “Phaedo” 91d, compare 87d; οἱ τὰ βήματα κατατρίβωτετριφότες">Refs 6th c.BC+], i.e. constant frequenters of the tribune, [Refs 5th c.BC+]: metaphorically, κ. τὸ τῆς ἀρετῆς ὄνομα to have it always on one's tongue, [Refs 2nd c.AD+]
__1.b press downwards, -[Refs 3rd c.BC+].
__1.c rub or roll thread, [Refs 3rd c.BC+].
__2 of persons, wear out, exhaust, [Refs 5th c.BC+]:—passive, to be quite worn out, with participle, [κατατρίβωτετρίμμεθα πλανώμενοι Aristophanes Comicus [{5-6th c.BC}] “Pax” 355, compare 5th-6th c.BC: Xenophon Historicus “Mem.” 1.2.37; - τριβήσοιντο ὑπὸ πολέμου [prev\. author] “HG” 5.4.60; ἐν τοῖς στρατοπέδοις Isocrates Orator [{5-6th c.BC}] 15.115; περὶ τὸν πόλεμον Plutarchus Biographus et Philosophus [{1-2nd c.AD}] “Fabius Maximus” 19 ">Refs 6th c.BC+].
__3 of Time, spend, consume, [Refs 4th c.BC+] employ it fully, [Refs 5th c.BC+] —so in middle, τὸ πολὺ τοῦ βίου ἐν δικαστηρίοις φεύγων τε καὶ διώκων κ. waste the greater part of one's life in.., [Refs 5th c.BC+]: in perfect passive (later in aorist 2 -[Refs], wear away one's life, pass one's whole time, with participle, [κατατρίβωτέτριμμαι χρώμενος Aristophanes Comicus [{5-6th c.BC}] “fragment” 221; κ. στρατευόμενος Xenophon Historicus [{5-6th c.BC}] “Memorabilia” 3.4.1; ἐπί τινι 4th c.AD: Themistius Sophista “Orationes” 26.312c ">Refs 6th c.BC+].
__4 of property, etc., squander, [Refs 6th c.BC+].