"The Hebrew verb לִפְתּוֹחַ (pronounced "lif-TO-ach") indeed means "to open."
You might also be interested to know some related words:
פָּתוּחַ (pa-TU-ach) – open (adjective, masculine singular)
פְּתוּחָה (p’tu-cha) – open (adjective, feminine singular)
מַפְתֵּחַ (maf-TE-ach) – key"
