Dictionary Definition:
Porin (adj.) [fr. pora=Epic Sk. paura citizen, see pura. Semantically cp. urbane>urbanus>urbs; polite= poli/ths>po/lis. For pop. etym. see DA i.73 & 282] belonging to a citizen, i. e. citizenlike, urbane, polite, usually in phrase porī vācā polite speech D i.4, 114; S i.189; ii.280=A ii.51; A iii.114; Pug 57; Dhs 1344; DA i.75, 282; DhsA 397. Cp. BSk. paurī vācā MVastu iii.322.