The Early Proto-Albanian word *māter
Word *māter
Transliteration mater
Meaning sister
See also Proto-Indo-European: *méhₐtēr ‘mother’

Comments
See V. Orel (2008)
Mod. Albanian motër, PIE *māhter 'mother', Skt mātar, Phrygian mātar, Greek μητήρ/ματήρ, Latin māter

Other words that might be of interest
*dela ‘boy, youth’