P / per-sīdo
verb intransitive

per-sīdo

2nd PP per-sīdere · 3rd PP persēdi · 4th PP persessum · conj. 3rd
to sink; settle down; to penetrate poetic
to sink or settle down, to penetrate anywhere (poet.): pestilitas fruges persidit in ipsas, Lucr. 6, 1126; 1, 307: ubi frigidus imber Altius ad vivum persedit, Verg. G. 3, 442.