Word: protosun
Part of speech: Noun
Syllables: pro
to
sun
Definition: Alternative form of protostar. A collection of gas and dust in space with high temperature that usually grows to the point of beginning nuclear fusion and becoming a star.
Morphemes:
Affix: proto-
Language: en
PoS: Prefix
Meaning: Relating to protons and/or positive charge.
Affix: sun
Language: en
PoS: Noun
Meaning: A star, especially when seen as the centre of any single solar system.