In Portuguese <temporada> means "season, a span of time", in <temporada de ferias> "vacation period", and can refer to TV series, for example, <ultima temporada de Arquivo X>, "X-Files' last year"
<temporal> means "storm, powerful rain"
*temos > *temes-rh2 > *temesra > *temeBra > *temebra > tenebra "darkness"
JS Lopes