Word: gweilos
Part of speech: Noun
Syllables: gwei
los
Definition: Plural of gweilo. A white person in China, a man; a ‘ foreign devil’.
Morphemes:
Affix: gweilo
Language: en
PoS: Noun
Meaning: A white person in China, a man; a ‘foreign devil’.
Etymology Compounds: Affix: 鬼
Language: yue
Decoded: Gui 
Meaning: ghost
Affix: 佬
Language: yue
Decoded: Lao 
Meaning: guy, man
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form plurals of foreign words, to clarify pronunciation, such as “banana’s” or “pasta’s”.