STEP Hebrew Lexicon: פָּתַח

1) to open

1a) (Qal) to open

1b) (Niphal) to be opened, be let loose, be thrown open

1c) (Piel)

1c1) to free

1c2) to loosen

1c3) to open, open oneself

1d) (Hithpael) to loose oneself

Aramaic equivalent: pe.tach (פְּתַח "to open" H6606)