Numerals
- "one": nominative *hens, genitive *hemos; feminine *mʰiā (> Myc. e-me /hemei/(dative); Att./Ion. εἷς (ἑνός), μία, heis (henos), mia).
- "two": *duwō (> Myc. du-wo /duwō/; Hom. δύω, dyō; Att.-Ion. δύο, dyo)
- "three": nominative *trees, accusative trins (> Myc. ti-ri /trins/; Att./Ion. τρεῖς, treis; Lesb. τρής, trēs; Cret. τρέες, trees)
- "four": nominative *kʷetwores, genitive *kʷeturōn (> Myc. qe-to-ro-we /kʷetrōwes/ "four-eared"; Att. τέτταρες, tettares; Ion. τέσσερες, tesseres; Boeot. πέτταρες, pettares; Thess. πίτταρες, pittares; Lesb. πίσυρες, pisyres; Dor. τέτορες, tetores)
- "five": *penkʷe (> Att.-Ion. πέντε, pente; Lesb., Thess. πέμπε, pempe)
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