Bucharest + (notebook 1930): 'buckarestive'.

broncho = bronco - an untamed or half-tamed horse, or a cross between the horse and mustang; a native horse of California or New Mexico.

poster - a post-horse; a messenger, a carrier of news (obs.); a placard posted or displayed in a public place as an announcement or advertisement

shay = chaise - a light open carriage for one or two persons, often having a top or calash; a carriage for travelling, having a closed body and seated for one to three persons, the driver sitting on one of the horses; more distinctively called a post-chaise.

THURN AND TAXIS - Former German state; the counts of Thurn and Taxis had a monopoly as German Imperial postmasters from 16th into the 19th centuries.  

tilbury - a light open two-wheeled carriage, fashionable in the first half of the 19th c.

noddy - a light two-wheeled hackney-carriage, formerly used in Ireland and Scotland [(notebook 1930): 'nod, nod, noddie' → Fitzpatrick: Dublin, Historical and Topographical Account 201: (quoting from Bush's Hibernia Curiosa, an account of a tour of Ireland in 1764) ''noddie... nothing more than an old cast-off one-horse chaise or chair, with a kind of stool fixed upon the shafts, just before the seat, on which the driver sits... nod, nod, nodding of the driver' gave its popular name to this conveyance'].

gig - to move backwards and forwards; to ride or travel in a gig (a light two-wheeled one-horse carriage) + (notebook 1930): 'others gaily gigging some sedated in sedans'.

sedate - to make calm or quiet (obs.); Med. To make (a patient) sleepy or quiet by means of drugs.

sedan - a closed vehicle to seat one person, borne on two poles by two bearers, one in front and one behind. In fashionable use during the 17th, 18th, and early 19th cent; a type of motor car with a closed body for four or more passengers.

(notebook 1930): 'priccoping' → The Encyclopædia Britannica vol. XXII, 'Prague', 249d: 'the Přikopy... the most animated part of modern Prague' (one of three entries inspired by Přikopy [538.15] [542.13])

gent = gentleman; now only vulgar, exc. as applied derisively to men of the vulgar and pretentious class who are supposed to use the word, and as used in tradesmen's notices.

roger (Slang) - fuck, lie with a woman + Roger de Coverley - English country dance.

damsel - a young unmarried lady; originally one of noble or gentle birth, but gradually extended as a respectful appellation to those of lower rank

covertly - in a concealed manner

perch - 5.029 m.

hinny - the offspring of a she-ass by a stallion + (notebook 1924): 'Mule Mare Hinny Hengst'.

jennet - a small Spanish horse + SDV: whereon the hinny and the mule and the many donkeys the jennet and the pooka and the capal and the hobbies wen pran stepped lively for her pleashadure

mustard - the colour of the condiment, usu. a brownish-yellow

nag - a small riding horse or pony

piebald - of two different colours, esp. white and black or other dark colour (like the plumage of a magpie), usually arranged in more or less irregular patches (usually of animals, esp. horses).

Shelty - a Shetland pony (small pony with a long rough coat); now, any small pony

skewbald - Of animals, esp. horses: Irregularly marked with white and brown or red, or some similar colour + (notebook 1924): 'piebald & skewbald'.

ORKNEY ISLANDS - Archipelago off North-East coast of Scot. Orkney horses are rather lager than Shetland ponies. 

step lively (notebook 1924) + stepped.

rink - to skate + rinnce (rinki) (gael) - dance.

pleasure + (notebook 1924): 'pleashadure'.

lalageô (gr) - to babble + SDV: and she laughed at the cracking whistling zwitchering switchering of the whip.

diddy - a woman's breast or nipple, or her milk

domino - a kind of loose cloak, app. of Venetian origin, chiefly worn at masquerades, with a small mask covering the upper part of the face, by persons not personating a character.

"Long live Iona! Down with Swellfoot!"

play up - Of a horse: To resist control, fight a bit, to cause a horse to up on the hind legs.

hah = ha + FDV: —Mattah markah lukah johah / — Matthah markhah lukhah johhah. / — Mattahah marahah luahah joahah.

lua (Irish) - a kick

(onomat. of neighing) + hana (Czech) - shame + Hannahannas - goddess in Sumerian myth of Telepinus.