ほろばしゃ
幌馬車 covered wagon prairie schooner

ほろびていくみんぞく
滅びて行く民族 亡びて行く民族 dying race

ほろびる
滅びる 亡びる to be ruined to go under to perish to be destroyed

ほろほろ
by ones and twos

ほろぼす
亡ぼす 滅ぼす to destroy to overthrow to wreck to ruin

ほろりと
being moved to tears being touched by becoming sentimental