paṭisaṅkhāti

to be careful, to think over, reflect, discriminate, consider; only in ger. paṭisaṅkhā (as adv.) carefully, intently, with discrimination Vin.i.213; MN.i.273; MN.iii.2; Ja.i.304; Cnd.540; Pp.25 cp. paṭisankhā (+ yoniso); also ger. paṭisaṅkhāya Sddp.394
■ Opp. appaṭisaṅkhā inconsiderately, in phrase sahasā app˚ rashly & without a thought MN.i.94; SN.ii.110, SN.ii.219
■ Cp. paṭisañcikkhati.

paṭi + saṃ + khyā