ποῖος
Alt. ποῖος, η, ον
I. "of what nature? of what sort?" Lat. qualis? used in questions:—in Hom. expressing surprise and anger, ποῖον τὸν μῦθον ἔειπες "what manner of" speech hast thou spoken! ποῖόν σε ἔπος φύγεν ἕρκος ὀδόντων! ποῖον ἔειπες! etc.
2. ποῖος οὐ; interrog., equiv. to ἕκαστος affirm., Hdt., Soph.
3. in attic, often with Art., τὸ ποῖον φάρμακον; Aesch.; τὰ ποῖα τρύχη; Ar.; τὸ ποῖον; Plat., etc.
4. ποῖός τις; makes the question less definite, κοῖόν μέ τινα νομίζουσιν εἶναι; Hdt.; ποῖ᾽ ἄττα; Plat.; τὰ τοῖ᾽ ἄττα; Xen.
5. ποίᾳ, ionic κοίῃ, as Adv., = πῶς; Lat. quomodo? Hdt., Ar.
II. like ὁποῖος, in indirect questions, διδάξω ποῖα χρὴ λέγειν Aesch. etc. (ποῖος, πόσος must be referred to a primitive *πός, as the correlat. Adjs. οἷος, ὅσος to ὅς.）