kaslarda
Kaslarda is a Turkish word form meaning “in the muscles.” It is the locative plural form of the noun kas (muscle). In Turkish, -lar is the plural suffix, and -da is the locative suffix meaning “in” or “at.” When combined with the plural, the suffixes yield kaslar-da, which is written as kaslarda in standard orthography due to vowel harmony and spelling conventions.
Kaslarda is used to indicate location inside muscular tissue. It appears in anatomical descriptions, medical notes,
Etymology and morphology: The form is built from kas (muscle) + plural suffix -lar + locative suffix -da.