Word: doodlebug
Part of speech: Noun
Syllables: doo
dle
bug
Definition: Individual self-propelled train cars.
Morphemes:
Affix: doodle
Language: en
PoS: Noun
Meaning: A small mindless sketch, etc.
Etymology Compounds: Affix: dudeln
Language: de
Decoded: dudeln
Meaning: to play 
Affix: bug
Language: en
PoS: Noun
Meaning: A manually positioned marker in flight instruments.
Etymology Compounds: Affix: bugge
Language: enm
Decoded: bugge
Meaning: scarecrow, hobgoblin