topenář (Czech) comes from Czech ar, from French are, from Latin ārea, from Proto-Italic āzeā, from Proto-Indo-European h₂eHs-e-yeh₂, from Proto-Indo-European h₂eHs- — to be/become dry; to burn, to glow; hearth.
topenář (Czech): stoker, boilerman
Definitions
stoker, boilerman
Ancestry of “topenář”, step by step
topenář traces back through two separate lines of ancestry.