FROM STRONG’S HEBREW DICTIONARY (1890)

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

pthiy peth-ee' — or pethiy {peh'-thee}; or pthaeiy {peth-aw-ee'}; from 6601; silly (i.e. seducible):--foolish, simple(-icity, one).

see HEBREW for 06601