Latvian stiprs

← Proto-Balto-Slavic *-ro (mention)

← Lithuanian stiprùs (cognate)

← Lithuanian stìpras (mention)

← Latvian stipt (mention)

← Latvian stiept (mention)

← Latvian stingt (mention)

← Latvian stingrs (mention)

← Old Prussian postippin (cognate)

← Old Prussian postippan (mention)

→ Lithuanian stiprus (cognate)

→ Latvian stiprība (suffix)

→ Latvian stiprums (suffix)

→ Latvian biedrs (link)

→ Latvian stiprināt (affix)