Proto-IE: *g'heip-
Meaning: to pant, to yawn
Slavic: *zīpātī (Czech zípati `keuchen', Pol zipać `schwer atmen')
Latin: hippācāre `est celeriter animam dūcere, ab equī hālitū quī est suprā modus acūtus', hippitāre `ōscitāre, badaclāre', exippitāre `hiāre, id est ōs aperīre'
Russ. meaning: тяжело дышать, зевать
References: WH