Word: kotos
Part of speech: Noun
Syllables: ko
tos
Definition: Plural of koto. Japanese stringed instrument that resembles a zither; has a rectangular wooden sounding board and usually 13 silk strings that are plucked with the fingers
Morphemes:
Affix: koto
Language: en
PoS: Noun
Meaning: A Japanese stringed instrument having numerous strings, usually seven or thirteen, that are stretched over a convex wooden sounding board and are plucked with three plectra, worn on the thumb, index finger, and middle finger of one hand.
Etymology Compounds: Affix: 木
Language: ja
Decoded: Mu 
Meaning: tree, wood
Affix: 音
Language: ja
Decoded: Yin 
Meaning: sound
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).