FROM STRONG’S HEBREW DICTIONARY (1890)

Strong’s Hebrew Dictionary (1890) — public domain, printed whole.

petha` peh'-thah — from an unused root meaning to open (the eyes); a wink, i.e. moment (compare 6597) (used only (with or without preposition) adverbially, quickly or unexpectedly):--at an instant, suddenly, X very.

see HEBREW for 06597