Etymology tree
Proto-Indo-European *srebʰ-
Proto-Indo-European *-yeti
Proto-Indo-European *-éyeti
Proto-Indo-European *srobʰéyeti
Proto-Italic *sorβeō
Latin sorbeo
From Proto-Italic *sorβeō, from earlier *sorβejō, from Proto-Indo-European *srobʰéyeti, iterative verb from *srebʰ- (“to sip”).