Brotar

Etymology
From Proto-Indo-European *bʰréh₂tēr.

Noun
brotar (plural brotarar)
 * 1) brother

Derived words

 * albrotar (n), brother-in-law.
 * brotarak (adj), fraternal.
 * brotarom (n), brotherhood.
 * brovatu (n), uncle.
 * kibrotar (n), step-brother.