кувалда

Etymology
Inherited from, attested since 1655.

In spite of phonetical and semantical differences, most likely with from  (since 1635), whence also 🇨🇬, 🇨🇬 and, notably, 🇨🇬, from  (in modern sense since 16th c.), from  (since 14th c.; whence 🇨🇬), from, from , ultimately from. 🇨🇬 may either be a late Russian borrowing or a descendant of an unattested Old Ruthenian source.

Historically also explained as a derivative of.

Noun

 * 1) sledgehammer (kind of hammer)

Etymology
.

Noun

 * 1) sledgehammer