בעצם

From בְּ־‎ (b'-, “in, with”) + עֶצֶם(־)‎ (étzem(-), “bone (of), (-'s) self”).

בְּעֶצֶם • (b'étzem)

1. Actually, in fact.

בְּעֶצֶם־‎ • (b'étzem-)

1. By ___self, on ___'s own, without assistance.
   • 2009 December 5, צפריר רינת (tzafrír rinat), “ועידת קופנהאגן | כמה דרכים שתוכלו לעשות בעצמכם להפחתת פליטת גזי חממה”‎ (v'idát kopenhagen | káma d'rakhím shetokh'lú la'asót b'atzm'khém l'hafkhatát p'litát gazéi khamamá, “Copenhagen Conference | Some Ways You Can Do by Yourselves for a Reduction in Greenhouse Gas Emissions”), in הארץ‎‎ (“Haaretz”).

• By its nature, this preposition only takes a personal pronoun as its object, such that it is only found in its inflected forms.

• מבצע‎

From Hebrew

בעצם • (betsm)

1. basically, intrinsically, fundamentally, as a matter of fact, in essence