續一切經音義 1.91

1.91

乞匃（下垓礙反說文云人亾財物則行乞匃也匃亦求也字從人從亾不從包也）。

Begging (乞匃: the second character has the fanqie 垓礙 [gài]. The Shuowen says: "When a person loses wealth and goods, they go begging (乞匃)." 匃 also means to seek. The character is formed from 人 (person) and 亾 (perish/lose); it is not formed from 包).