Reconstruction:Proto-Balto-Slavic/ákmō

Etymology
.

According to Matasović, the depalatalization of palatovelars occurred before sonorant followed by a back vowel: Ḱ > K/_RVback.

Reconstruction notes
According to Illich-Svitych, the barytone accent paradigm is presented by Daukša (16th century) in nominative singular and  in genitive singular. In the Universitas presents the form  in genitive plural. In the monuments of Prussian Lithuania: The mobile accent paradigm is generalized in most dialects and in the literary Lithuanian language. Consequently, on the basis of these data, the Balto-Slavic fixed accent is reconstructed.
 * The New Testament of 1701 presents the form in genitive plural;
 * The Gesangbuch of 1685 presents the form in instrumental singular;
 * The Bible of 1755 presents two forms: in genitive plural and  in instrumental plural;
 * The New Testament of 1735 presents two forms: in genitive singular and  in instrumental plural;
 * The Lithuanian Grammar of 1791 presents two mobile forms: in locative singular and  in locative plural;
 * The Bible of 1735 presents three forms: in instrumental singular,  in genitive plural and  in instrumental plural;
 * The Ruhig grammar of 1747 presents five forms: in genitive plural,  in locative singular,  in dative plural,  in instrumental plural and  in locative plural, but  in genitive singular.

Noun

 * 1) stone, rock

Inflection
Fixed accent.

Descendants

 * East Baltic:
 * West Baltic:
 * West Baltic:
 * West Baltic:
 * West Baltic:
 * West Baltic: