Origin and history of rub-a-dub

1560s, "a chafing, rubbing," from French friction (16c.) and directly from Latin frictionem (nominative frictio) "a rubbing..., rubbing down," noun of action from past-participle stem of fricare "to rub, rub down," which is of uncertain origin....Watkins suggests possibly from PIE root *bhreie- "to rub, break."...De Vaan suggests a PIE bhriH-o- "to cut" and compares Sanskrit bhrinanti, Old Church Slavonic briti "to shave."...

early 15c., attricioun, "a breaking;" 1540s, "abrasion, scraping, the rubbing of one thing against another," from Latin attritionem...(nominative attritio), literally "a rubbing against," noun of action from past-participle stem of atterere "to wear, rub...away," figuratively "to destroy, waste," from assimilated form of ad "to" (see ad-) + terere "to rub" (from PIE root *tere...- (1) "to rub, turn")....

in geology, 1795, "process of erosion" (a sense now obsolete), from Latin detritus "a wearing away," from detri-, stem of...detere "wear away," from de "away" (see de-) + terere "to rub, wear" (from PIE root *tere- (1) "to rub, turn")....

powder," 1560s, from French friable (16c.) and directly from Latin friabilis "easily crumbled or broken," from friare "rub...away, crumble into small pieces," related to fricare "to rub" (see friction)....

"a state of affliction or oppression, suffering, distress," c. 1200, from Old French tribulacion (12c.), from Church Latin...tribulatio) "distress, trouble, affliction," noun of action from past-participle stem of tribulare "to oppress, afflict," a...Latin tribulare "to press," also possibly "to thresh out grain," from tribulum "threshing sledge," from stem of terere "to rub..." (from PIE root *tere- (1) "to rub, turn") + -bulum, suffix forming names of tools....

"broken in spirit by a sense of guilt, conscience-stricken and resolved to not sin again," c. 1300, from Old French contrit...penitent," past participle of conterere "to grind," from assimilated form of com "with, together" (see con-) + terere "to rub..." (from PIE root *tere- (1) "to rub, turn")....Used in Church Latin in a figurative sense of "crushed in spirit by a sense of sin." Related: Contritely....

directly from Latin diatriba "learned discussion," from Greek diatribe "employment, study," in Plato, "discourse," literally "a...wearing away (of time), a waste of time," from dia "away" (see dia-) + tribein "to wear, rub," from PIE root *tere- (1) "...to rub, turn."...The modern meaning "a strain of invective, a bitter and violent criticism" by 1804, apparently from French....

"noise, what is heard, sensation produced through the ear," late 13c., soun, from Old French son "sound, musical note, voice," from Latin sonus "sound, a noise," from PIE *swon-o-, from root *swen- "to sound." The unetymological -d was established c. 1350-1550 (see D). Sound-boar

Old English wundor "marvelous thing, miracle, object of astonishment," from Proto-Germanic *wundran (source also of Old Saxon wundar, Middle Dutch, Dutch wonder, Old High German wuntar, German wunder, Old Norse undr), of unknown origin. In Middle English it also came to mean the

early 15c., "a concommitant symptom;" 1530s, "a secondary signification, that which is included in the meaning of a word besides its primary denotation," from Medieval Latin connotationem (nominative connotatio), noun of action from past-participle stem of connotare "signify in a