πικρός, ά, όν,
poetry also ός, όν [[ 8th c.BC: Odyssea Homerus Epicus “Odyssey” 4.406 ] Refs 8th c.BC+]:—properly pointed, sharp, keen, ὀϊστός [[ 8th c.BC: Ilias Homerus Epicus “Illiad” 4.118, +others; βέλεμνα 22.206; γλωχίς 5th c.BC: Sophocles Tragicus “Trachiniae” 681: _metaphorically_, γλώσσης πικροῖς κέντροισι 5th c.BC: Euripides Tragicus “Hercules Furens” 1288. ] Refs 8th c.BC+]
__II generally, sharp to the sense:
__II.1 of taste, pungent, ῥίζα [[ 8th c.BC: Ilias Homerus Epicus “Illiad” 11.846; ἅλμη 8th c.BC: Odyssea Homerus Epicus “Odyssey” 5.323; δάκρυον (variant for{πυκνόν}) 4.153 ] Refs 8th c.BC+]; of salt water, opposed to γλυκύς, [[ 5th c.BC: Herodotus Historicus 4.52, compare 7.35 ] Refs 5th c.BC+]; ἁλμυρὸς καὶ π. [[ 5th-6th c.BC: Plato Philosophus “Leges” 705a ] Refs 5th c.BC+]; πριγλία π. [[ “PCair.Zen.” 82.8 (3rd c.BC)] Refs 3rd c.BC+]; ἀπ᾽ ὄμφακος πικρᾶς [[ 4th-5th c.BC: Aeschylus Tragicus “Agamemnon” 970 ] Refs 4th c.BC+]; ὑγρότης π., opposed to ὀξεῖα, [[ 4th c.BC: Meno Medicus “Iatrika” 5.13 ] Refs 4th c.BC+]; also of smell, pungent, [[ 8th c.BC: Odyssea Homerus Epicus “Odyssey” 4.406; πικρὸν ὀδωδώς 4th c.AD: Alciphro Epistolographus 3.59. (This sense prevails in the derived and _compound_ words.) ] Refs 8th c.BC+]
__II.2 of feeling, sharp, keen, ὠδῖνες [[ 8th c.BC: Ilias Homerus Epicus “Illiad” 11.271, 5th c.BC: Sophocles Tragicus “Trachiniae” 41. ] Refs 8th c.BC+]
__II.3 of sound, piercing, shrill, οἰμωγά [[ [prev. author] “Ph.” 189 (Lyric poetry); φθόγγος [prev. author] “OC” 1610 ] Refs]; γόοι, ὄδυρμα, [[ 5th c.BC: Euripides Tragicus “Phoenissae” 883, “Tr.” 1227 (Lyric poetry); πικροτάτη ὄψ 5th-6th c.BC: Aristophanes Comicus “Pax” 805 (Lyric poetry). ] Refs 5th c.BC+]