Or pidyom {pid-yome'}; also pidyown {pid-yone'}; or pidyon {pid-yone'}; from padah; a ransom; --ransom, that were redeemed, redemption.
see HEBREW padah
H6306. pidyowm
מִּדְיוֺם noun masculine ransom; — Numbers 3:49, read probably מְּדוּיִם (so ⅏); מִּדְיֹם 3:51 Kt (Qr מְּדוּיִם); — see פדה
Qal Passive participle, and מִּדוּיִם above
מִּדְיוֺן noun masculine id.; — ׳מּ נֶפֶשׁ Exodus 21:30 (E), Psalm 49:9.