Bryophyte means
bryo –moss-like+ phyte – plant.
= moss like plant
Pteridophyte means
ptero –feather-like+ phyte – plant.
= feather like plant
Spermatophyte means
spermato –seed+ phyte – plant.
= seed plant
Gymnosperm means
gymno –naked+ sperm – seed.
= naked seed
Angiosperm means
angio –vessel+ sperm – seed.
= vessel seed