pal (n.)
1788, from Romany (English Gypsy) pal "brother, comrade," variant of continental Romany pral, plal, phral, probably from Sanskrit bhrata "brother" (see brother (n.)). Extended colloquial form palsy-walsy attested from 1930.
pal (v.)
1879, from pal (n.). Related: Palled; palling.