What is it called when two words combine to form a single word?

Aorist Passive Subjunctive 3rd Person Singular of λύω

What is the sign of the subjunctive mood

Present Active Indicative 1st Person Plural of φιλέω

Feminine Singular Accusative of ἡμέρα

class Foo{ bool operator==(const Foo &otherFoo) const; Foo &operator=(const Foo &otherFoo); int operator[](int index) const;}; The three member functions are all examples of what?

You have been doing gait training with a patient and documenting the reasons for gait pattern deficits.  Based on your knowledge. you recall the ROM requirements for normal gait at the hip are as follows: 

What is it called when two vowels are pronounced as one sound?

Identify the correct principal part for ἄξω.

Future Active Indicative 3rd Person Plural of κρίνω