See the entire entry for ˁal gabbē, ˁal gaḇ prep. upon

BT Tan 22b(19) :דלמא חס ושלום אגב צעריה קאמ׳ מילתא כלפי שמיא : perhaps, heaven forbid, he is making a derogatory statement against Heaven because of his pain

See the entire entry for ṣˁar, ṣaˁrā n.m. pain, sorrow; disgrace