noun Etymology: Middle Greek, from Greek phei Date: 1638 the 21st letter of the Greek alphabet
PHI
Meaning of PHI in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012
noun Etymology: Middle Greek, from Greek phei Date: 1638 the 21st letter of the Greek alphabet
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012