μάτηρ (mater)
μάτηρ is an Ancient Greek form of μήτηρ, meaning “mother”. It is the nominative singular feminine noun.
Found 63 times in the Ancient Greek texts on Socratos.
Where it is used
Theocritus, Εἰδύλλια 2.146: μάτηρ τᾶς ἀλαᾶς αὐλητρίδος ἅ τε Μελιξοῦς
All forms of μήτηρ (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.