Hoe
Middle English: from Old French houe, of Germanic origin; related to German Haue, also to hew.
wiktionary
From Middle English howe, from Anglo-Norman houe, from Frankish *hauwā (compare Middle Dutch houwe), from Frankish *hauwan(“to hew”), from Proto-Germanic *hawwaną(“to cut, hew”). More at hew.
From non-rhotic whore.
From Middle English hough, hogh, from Old English hōh.
hoe (plural hoes)
etymonline
hoe (n.)
"implement for digging, scraping, or loosening earth," mid-14c., from Old French houe (12c.), from Frankish *hauwa, from Proto-Germanic *hawwan (source also of Old High German houwa "hoe, mattock, pick-axe," German Haue), from PIE *kau- "to hew, strike" (see hew).
hoe (v.)
early 15c., "to clear weeds with a hoe," from hoe (n.). Tedious and toilsome work, hence a hard (or long) row to hoe "a difficult task;" hoe (one's) own row "tend to one's affairs." Related: Hoed; hoeing.