hobby horse hobby 5 realizations
ACCEPTED Realization 1
type Polysemy
language Afrikaans
lexeme stokperdjie
meaning 1 hobby horse (child's toy)
direction
meaning 2 hobby (an activity enjoyed in one's spare time)
reference <personally collected data>
comment

Compound of stok 'wooden rod, stick' +‎ perd 'horse' +‎ -jie

ACCEPTED Realization 2
type Polysemy
language Czech
lexeme koníček
meaning 1 hobby horse
direction
meaning 2 hobby
reference SSJČ
comment
ACCEPTED Realization 3
type Polysemy
language Danish
lexeme kæphest
meaning 1 hobby horse
direction
meaning 2 hobby
reference DDO
comment

kæp 'stick' +‎ hest 'horse' 

ACCEPTED Realization 4
type Derivation
language English
lexeme 1 hobby horse
lexeme 2 hobby
meaning 1 a child's toy consisting of a (usually wooden or cloth) horse's head mounted on a stick
direction
meaning 2 an activity that one enjoys doing in one's spare time
reference OED English Wiktionary
comment

Hobby was shortened from hobby-horse, originally an extinct breed of horse native to the British Isles, also known as the Irish Hobby

Middle English hoby, hobyn, hobin 'small horse, pony'

ACCEPTED Realization 5
type Polysemy
language German
lexeme Steckenpferd
meaning 1 hobby horse (child's toy)
direction
meaning 2 hobby
reference DWDS
comment

Stecken 'wooden rod, staff' +‎ Pferd 'horse'