←
Proto-Indo-European *key- (mention)
←
Latvian ciets (cognate)
←
Latvian ciešs (mention)
←
Latvian cieti (mention)
←
Latvian ciets (mention)
←
Latvian ciešs (mention)
←
Latvian ciešs (mention)
←
Latvian ciets (mention)
→
Latvian ciešs (mention)
→
Latvian ciešs (mention)
→
Latvian ciešs (mention)
→
Latvian ciets (cognate)